Location History:
- Tsukuba, JP (1999 - 2010)
- Chikusei, JP (2010 - 2013)
- Ibaraki, JP (2020)
- Irvine, CA (US) (2022)
- Tokyo, JP (2019 - 2024)
Company Filing History:
7 out of 1,641 
3 out of 139 
1 out of 42,485 
Years Active: 1999-2025
Title: Nobuyuki Ogawa: Innovator in Electrolyte Composition and Optical Semiconductor Devices
Introduction
Nobuyuki Ogawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of electrolyte compositions and optical semiconductor devices. With a total of 13 patents to his name, Ogawa's work has had a substantial impact on technology and materials science.
Latest Patents
Ogawa's latest patents include an innovative electrolyte composition designed for secondary cells. This composition comprises one or more polymers, oxide particles, at least one electrolyte salt selected from lithium, sodium, calcium, or magnesium salts, and a solvent. The structural units of the polymers include a first structural unit from tetrafluoroethylene or vinylidene fluoride and a second structural unit from hexafluoropropylene, acrylic acid, maleic acid, ethyl methacrylate, or methyl methacrylate. Notably, the content of the polymers exceeds 90% by mass, with a mass ratio of the first to the second structural unit being 50/50 or more.
Another significant patent involves a method for producing an optical semiconductor device. This device features an optical semiconductor chip with at least one optical element formed in a semiconductor substrate. The design includes an extended wire pattern connected to the chip's electrodes, which can be positioned on the front surface or apart from it.
Career Highlights
Throughout his career, Nobuyuki Ogawa has worked with notable companies such as Hitachi Chemical Company, Ltd. and Showa Denko Materials Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of materials and semiconductor technology.
Collaborations
Ogawa has collaborated with esteemed colleagues, including Hiroshi Shimizu and Akishi Nakaso. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Nobuyuki Ogawa's contributions to electrolyte compositions and optical semiconductor devices highlight his role as a leading inventor in Japan. His innovative patents and collaborations continue to influence the technological landscape.
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.