The Murata story began in 1944, when Akira Murata (1921-2006) started 918kiss plus Agent as a personal venture in Nakagyo-ku, Kyoto-shi. A small factory of 150 m2 was opened in the center of Kyoto City starting the production of titanium-oxide ceramic capacitors, with heterodyne radios being the primary application for these products.
In the chaotic period immediately following WWII, radio was about the only form of entertainment and information source available.
Super heterodyne radio with far superior performance compared with the conventional super-regeneration system rapidly became popular.
Murata’s tubular ceramic capacitor was used for temperature compensation in those radios.
Its dielectric material was titanium oxide. The electrode material was brushed on the surface. Its capacitance was 500 pF.
Temperature compensating capacitor
left: In 1944, 918kiss plus Agent was founded in Nakagyo-ku, Kyoto City. Original headquarters building.
right: The poster of Murata in the early 1950's.
The logo on this poster seems to have been the prototype of our current logo.
A food shortage after the WWII prompted increased exploitation of marine resources. Thus, Japan became a fishery capital of the world. Fish finders played a large role in this trend.
The piezoelectric resonator for the fish finder had the Langevin structure, where a piezoelectric disc type resonator made with barium titanate was sandwiched between two thick steel plates. It provided good response underwater up to a depth of 90 m.
Piezoelectric transducer for fish finders
The first transistor radios hit the market in 1955.
The basic trend of seeking downsizing and portability for household electronic equipment was set by this event.
Murata commercialized AM radio ceramic filters, using lead zirconium titanate, an excellent piezoelectric material. It took 10 more years for this product to penetrate the market, however.
In 1952, the head office and plant were moved to Yamashina, Higashiyama-ku, Kyoto City.
In 1955, Murata’s research division became Omiya Technology Research Laboratory 918kiss plus Shareholder.
(Later, it was moved to Nagaokakyo City as Murata Technology Research Laboratory Co.)
Color TVs appeared in the market right before the largest post-war event, the Tokyo Olympics.
A PTC thermistor was used in the degaussing circuits of color TVs.
When the switch is turned on, a strong surge of electric current activates degaussing, directly followed by self-generation of heat, limiting the current flow.
Ceramic filters were also improved by having higher frequency and integration, and became a hit.
In 1962, Their Majesties the Emperor and Empress Showa visited Fukui 918kiss plus Agent Co., Ltd.
It used to be a status symbol to make a phone call from a car.
However, the initial car phone systems were incredibly large.
When it was first developed, the main component of the system, the cavity resonance filter, filled up the trunk of a car. Introduction of GIGAFIL enabled considerable size reduction contributing to the future development of today`s mobile phones.
GIGAFIL, an antenna duplexer for Nippon Telegraph and Telephone Public Corporation’s (currently NTT) first generation mobile phone
In 1973, 918kiss plus Agent Co., Inc. was established in Georgia, U.S.A.
Since the advent of PCs, the boundary between office equipment and personal equipment became blurred. The world of communications continues to expand today.
As PCs gain popularity, Murata’s CERALOCK, ceramic resonator to determine a PC’s processing speed, and noise suppression component, ferrite beads, became big hits.
Headphone stereos became a fad. The downsizing of electronic components allowed full-scale stereo sound to fit in a pocket-sized player.
Chip multilayer ceramic capacitors became the mainstream, as surface mounted devices (SMD) on the substrate of equipment with downsizing demand, such as mobile audio equipment and video cameras.
Chip multilayer ceramic capacitor
Digitalization of audio equipment became complete through CD technology.
Murata’s active filter for audio equipment removes folding noise inherent in PCM audio.
It became indispensable for digital-age music.
The home video camera was another item that followed the downsizing trend.
Image stabilization function with piezoelectric vibrating gyroscope became essential in filming equipment.
Piezoelectric vibrating gyroscope
In 1983, Izumo 918kiss plus Agent Co., Ltd. was established.
The Yasu Plant in Yasu-cho, Yasu-gun, Shiga in 1987 and the Yokohama R&D Center in 1988 were established to fortify Murata’s R&D capability.
In 1988, Murata Electronics (Thailand), Ltd. was established in Thailand.
Downsizing and multiple functionalities were in especially strong demand for mobile phones.
To offer smaller size and more functions for mobile phones, it was essential to have compact handling of radio frequencies. This is where Murata’s GIGAFIL plays a significant part.
GIGAFIL, an antenna duplexer for digital mobile phone
Established production and sales company, Wuxi Murata Electronics Co., Ltd. at Wuxi, Jiangsu, China in 1994
PC communication is quickly becoming more rapid and wireless.
The PHS card is a module to compactly congregate communication functions.
Bluetooth® technology is projected to become the key to a ubiquitous network society.
Murata pioneered the development of dedicated Bluetooth® modules.
Bluetooth® RF module
MURATA BOY was demonstrated at “CEATEC JAPAN 2005” and received high acclaim in and out of Japan.
Muluti-functionalization of smartphones
Development of multilayer ceramic capacitor in 0201 (0.25×0.125mm) size
Development of the world’s first inductor in 0201 size
Commercialization of hybrid multiplexer for smartphone wireless circuits
2014 Development of Murata Cheerleaders
2017 Enhancement and reinforcement of battery business
Murata will continue to contribute to the growing trend toward multifunctionalization of electronic devices and the development of society as a result of such trends.
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