Enterprise development history of Roman semiconductor group

1954 Toyo electric appliance manufacturing co., ltd was established.

Develop carbon film resistors and put them on the market

1958 Toyo electric appliance manufacturing co., ltd was established.

1962 began to make an automatic resistance assembly machine.

1963 develop metal thin film resistors and put them into the market.

1965 introducing quality management

Release &; laquo； Visible music history &; Raquo (with recording tape)

1966 to formulate the basic principles of enterprise purpose and operation.

Rohm Waco Co., Ltd. was established.

1967 began to develop and sell transistors and switching diodes.

1968 completes the commercialization of diode array and diode matrix.

1969 begins IC development.

Roman Apollo Co., Ltd. was established.

1970- 1979 overseas expansion period

1970 buy a computer for business mechanization.

Luomen Logistics Technology Co., Ltd. was established.

Incorporate a local legal person in California, USA

Release &; laquo； The history of musical instruments &; Raquo (with recording tape)

197 1 began to develop IC in silicon valley.

Rohm Electronics Co., Ltd. was established.

The development and sales of transistors began.

1972 Rohm Korea company was established.

1973 began to develop and sell light-emitting diodes and network resistors.

1974 began to develop and sell thermal print heads.

Rohm Electronics Hong Kong Limited was established.

1976 began to develop and sell rectangular patch resistors.

1977 began to develop and sell rectifier diodes.

1979 the company's trademark was changed from R.ohm to ROHM.

Rohm Electronics Asia Limited. Resdivision was established.

Started serializing company image advertisements in newspapers &; Diary of laquo Rohm Kyoto Museum &; raquo

1980- 1989 road to integrated semiconductor manufacturers

1980 completed the development and research of zener diode.

The registered company name 198 1 was changed by Toyo Electric Rohm Co., Ltd.

Start developing MOS integrated circuits

Luomen Fukuoka Co., Ltd. was established.

Release &; laquo； Asian music and raquo (with audio tape)

1982 semiconductor research center was established

Began to develop and sell digital transistors.

1983 is listed on Taisho II of Osaka Stock Exchange.

Started to develop and sell band conversion diodes.

1984 is the first in the world to use MBE (molecular beam epitaxy) method to apply laser diodes to industry.

Rohm Amagi Co., Ltd. was established.

1985 developed 4-byte and 8-byte microcontrollers with the original CPU.

1986 was upgraded to Dazhengyi on Osaka Stock Exchange.

Set up a research and development center (now LSI development center)

From the beginning, I developed and sold integrated circuits.

Start selling capacitors

Magazine &; Diary of laquo Rohm Kyoto Museum I&; raquo

1987 Thailand United Manufacturing Association was established (now Rohm Integrated Systems (Thailand) Co., Ltd.).

Rohm Electronics Taiwan Province Province Co., Ltd. was established.

1988 obtained the American flash memory patent.

Luomen Electromechanical Technology Co., Ltd. was established.

Narita technology research co., ltd was established.

1989 is listed on the Tokyo Stock Exchange, Zhengdong No.1.

Won the Outstanding Enterprise Management Quality Award (TPM)

Establish a large-scale integrated circuit research center

Establish LCD technology and start selling.

Philippine United Manufacturing Association was established (now Rohm Electronics Philippines Company).

Rohm Waco Electronics (Malaysia) Co., Ltd. was established.

Rohm Electronics (UK) Co., Ltd. was established.

Hosting Rohm Music Festival and Bach Concert.

Publishing corporate image magazine &; Laquo Luomen Kyoto Natural History Diary II &；; raquo

1990- 1999 new technologies and challenges in new fields

1990 American technology development center was established.

Start selling LED information boards.

Luomen Apollo Devices Co., Ltd. was established.

199 1 Establish the second R&D center.

Establish a consortium legal person Rohm Music Foundation

Hold a concert of young artists' hope

1992 Rohm group completely abolished the use of freon.

An information transmission microcontroller with built-in flash memory is developed.

Hold modern and classical concerts.

1993 developed a super-large LCD screen with a unique wide viewing angle.

Luomen Electronics Dalian Co., Ltd. was established.

Tianjin subsidiary manufacturing company was established (now Rohm Semiconductor (China) Co., Ltd.).

Rohm Electronics (Malaysia) Co., Ltd. was established.

Rohm Mechanical Technology Philippines Company was established.

Hosting 93 Kyoto International Student Music Festival (once a year thereafter)

Hold a Mozart concert

1994 has passed ISO900 1 certification.

A chip LSI for spread spectrum transmission is developed, which is a new generation of wireless conversion.

Sponsor the new york Trio

Luo Wenjun's new natural history diary and the newspaper serial of Japanese scientific legends began.

1995 set up the second LSI research center.

Developed 100000 field (user) programmable array with American Zycard company.

An integrated circuit with built-in modem circuit is developed, which can be used for IrDA infrared data communication.

Hold "ROHM LYRICSELECTION Kumamoto Mary Concert" (to be continued)

Sponsor the National Paris Philharmonic Orchestra.

Publication of CD-ROM Romano Kyoto natural history diary ~ compilation of sound and scene reports

1996 Rohm Waco devices co., ltd was established.

Rohm Electronics Korea Company was established.

Rohm Electronics (Philips) Sales Company was established.

Sponsor the Scala Music Lovers Orchestra.

1997 yokohama technology center was established.

Establishment of mass production system of red laser diode for DVD

Rohm Electronics (Thailand) Co., Ltd. was established.

Rohm Electronics (France) Co., Ltd. was established.

Sponsor the daily marathon by Pipa Lake.

Sponsor moscow radio symphony orchestra

Czech Prague Symphony Orchestra co-sponsored Prague Symphony Orchestra.

Release &; laquo； The natural history diary of Rohm Kyoto Volume 2 ~ ~ A compilation of light music reports &; Raquo CD version

1998 obtained the certification of ISO 1400 1 environmental management system.

VLSI Research Center Established

The high reliability EEPROM commonly used in ROHM is developed.

The world-class Schottky barrier diode with low VF and low IR has been developed.

Sponsor the national men's segmented long-distance relay race.

Sponsor super trio concerts in Naz, Askin, zuckerman and harel.

Sponsor the New Japan Philharmonic Orchestra concert conducted by Seiji Ozawa.

Luo Wenjun's new natural history diary and the newspaper serial of Japanese scientific legends began.

1999 Kyoto technology center was established

LSI development center established

Hong Kong Science and Technology Center Established

A large-scale integrated circuit of mobile phone audio source is developed.

In cooperation with Japan Institute of Technology, we have developed the world's highest level lead chloride (ZnO) monolithic.

Rohm Hamamatsu Co., Ltd. was established.

Rohm Electronics (Shanghai) Co., Ltd. was established.

Sponsor the Kyoto Half Marathon

Sponsor St. Petersburg Phil Harmony Orchestra.

Sponsor Alfred Brendel piano recital.

The goal for 2000-2009 is future development.

In 2000, the European Technology Center was established.

A top-level DVD clock generator integrated circuit with high signal-to-noise ratio and low jitter is developed.

Developed a new concept of system LSI design technology REAL SOCKET?

Rohm Semiconductor (China) Co., Ltd. was established.

Seiji Ozawa Music School Opera Sponsorship Begins.

Sponsor the opening concert of Kyoto Autumn Music Festival.

200 1 Rohm co., ltd (new yokohama) was established.

Silent disk drive technology (s! PWM×2)

A 180 mW high-power laser diode is developed, which is used in a high-speed optical drive of more than 32 times.

Australia's "Roma forest" afforestation began.

Gift from Rohm Memorial Hall of Ritsumeikan University

In 2002, the Optical Device Research Center was established.

In 2003, LSI Testing Technology Center was established.

A large-scale integrated circuit with LVDS interface for flat panel display is developed.

Rohm Electronic Trading (Dalian) Co., Ltd. was established.

Rohm Tsukuba Co., Ltd. was established.

Gift from Roma Memorial Hall of Gay Association

Sponsor the First Kyoto Student Festival

Shanghai Technology Center was established in 2004.

Taiwan Province Technology Center was established.

The real platform is developed, which greatly improves the development efficiency.

300mm wafer is officially put into mass production.

130 nm CMOS LSI began mass production.

Selected works of Japanese SP CD rip I

Korea Technology Center was established in 2005.

Research and development of progressive thermal print head. Achieve high durability

Research and development of semiconductor switching elements. Start quantitative production

Donated to "Rohm Memorial Hall of Kyoto University"

Greening around cooperatives (Indus, Sycamore)

China premiere of children's Zheng music school opera performance.

Shenzhen Technology Center was established in 2006.

Nagoya Design Center Established

Silicon Valley calcium carbide (SiC)FET with the highest performance in the world has been developed, which can withstand 900 V voltage and the current pass rate is 3. 1ω/cm2.

Rohm Integrated System (Thailand) Co., Ltd. was established.

Rohm Electronics (Shenzhen) Co., Ltd. was established.

Chamber Music Concert of Rohm Music Foundation and Music Research Association in 2006.

Sponsor the Hungarian country Philharmonia Orchestra.

Selected works of Japanese SP CD rip II

In 2007, it obtained ISO/IEC 17025 laboratory certification.

Develop the world's smallest and thinnest patch LED? PICOLEDTM[picoled: picoradium]?

Selected works of Japanese SP CD rip III

It is the first in the industry to develop WLAN baseband LSI (IEEE802. 1X protocol with built-in cryptographic signal processing) for programming equipment.

In 2008, the company celebrated its 50th anniversary and launched a new trademark ROHM SEMICONDUCTOR.

Acquisition of OKI semiconductor company

The world's first non-volatile logic technology to develop standby zero power consumption

Co-founded the Business Association of Organic EL Panel for Lighting.

Participate in the field of biochips, develop blood test chips and put them on the market.

In 2009, the world's first low-resistance large-capacity SiC trench MOSFET was successfully realized.

Developing seamless LED basic lighting

Acquisition of Kionix, the world's top MEMS acceleration sensor developer.

SiC wafer supplier SiCrystal company

20 10- facing the next 50 years 20 10

20 10 the industry took the lead in developing 4V/ 100μF tantalum capacitors with the size of 1608.

Industry takes the lead in developing 0.9V-driven MOSFET ECOMOS?

The first semiconductor laser developed in the world that can freely control the direction of the outgoing beam.

Transform Kyoto Technology Center and Kyoto Business Center, and fully introduce self-produced LED lighting.

Acquisition of Maruyama Electric Co., Ltd. i [1