Company Filing History:
2 out of 4,979 
1 out of 5,289 
Years Active: 1996-2000
Title: Jiro Utsunomiya: Innovator in Optical Semiconductor Technology
Introduction
Jiro Utsunomiya is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of optical semiconductor devices, holding a total of 2 patents. His work focuses on enhancing the accuracy and efficiency of optical switching modules and semiconductor devices.
Latest Patents
Utsunomiya'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 one or more electrode patterns, while the top surface of the supporting substrate also features corresponding electrode patterns. The two components are bonded using solder bumps, which, when melted, align themselves due to surface tension, ensuring high precision in their geometric positioning.
Another significant patent is for a compact optical switching module that incorporates thin-film heaters and trimmable thick-film resistors. This design allows for the adjustment of current to the heaters, thereby reducing the overall size of the optical switching module. The optical waveguide substrate is strategically mounted in a depression within the electronic circuit substrate, enhancing the module's compactness and efficiency.
Career Highlights
Throughout his career, Utsunomiya has worked with prominent companies such as Oki Electric Industry Co., Ltd. and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in optical technologies and semiconductor innovations.
Collaborations
Utsunomiya has collaborated with notable individuals in the field, including Kiyoshi Kurosawa and Hisao Matsukura. These partnerships have likely fostered a rich exchange of ideas and advancements in optical semiconductor technology.
Conclusion
Jiro Utsunomiya's contributions to optical semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His innovative approaches continue to shape the future of optical devices and their applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.