Company Filing History:
Years Active: 1989-2000
Title: Hisao Matsukura: Innovator in Optical Semiconductor Devices
Introduction
Hisao Matsukura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical semiconductor devices, holding a total of 3 patents. His work focuses on enhancing the accuracy and efficiency of semiconductor technologies.
Latest Patents
Matsukura's latest patents include a composite unit of an optical semiconductor device and a supporting substrate. This invention discloses a method where the rear surface of the optical semiconductor device is equipped with electrode patterns, while the supporting substrate features corresponding electrode patterns. The two components are bonded using solder bumps, which are melted and solidified to achieve precise alignment due to surface tension effects. This innovation allows for improved geometric positioning in the horizontal direction.
Another notable patent is for a dielectric filter and its manufacturing method. This filter consists of a ceramic block with holes covered by conductive material, forming an inner conductive layer. The design allows for adjustments to the resonant frequency by selectively removing conductive material from the top layer. This method ensures that the filter can be fine-tuned to meet specific frequency requirements.
Career Highlights
Hisao Matsukura is associated with Oki Electric Industry Co., Ltd., where he continues to develop cutting-edge technologies in the semiconductor field. His expertise and innovative approach have positioned him as a key figure in the industry.
Collaborations
Matsukura has collaborated with notable colleagues such as Osamu Yamato and Hiroyuki Horii. Their combined efforts contribute to the advancement of semiconductor technologies and innovations.
Conclusion
Hisao Matsukura's contributions to optical semiconductor devices and dielectric filters highlight his role as a leading inventor in the field. His patents reflect a commitment to innovation and precision in technology.