This inventor holds 11 USPTO granted patents. Top assignees: Chisso Corporation, Mitsui Chemicals, Inc., Chisso Corporation & Maruzen Petrochemical Co., Ltd.. Active years: 1991-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ichiharashi, JP (1992)
- Chiryu, JP (1996 - 2001)
- Chiba, JP (1992 - 2003)
- Sodegaura, JP (2004)
- Ichihara, JP (1991 - 2010)
Company Filing History:


Years Active: 1991-2010
Title: Kazuhiro Yamada: Innovator in Electrical and Optical Technologies
Introduction
Kazuhiro Yamada is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the fields of electrical and optical technologies, holding a total of 11 patents. His innovative work has paved the way for advancements in hybrid films and wavelength conversion apparatuses.
Latest Patents
Yamada's latest patents include an electrical and optical hybrid film and a wavelength conversion apparatus. The electrical and optical hybrid film is designed to have high resistance to bending. It features an optical waveguide film and an electrical wiring film, with a unique separated section where these two components are not secured to each other. This design includes a slit that extends in the longitudinal direction, penetrating the optical waveguide film. The wavelength conversion apparatus consists of a multiplexer that combines pumped light and signal light, along with a wavelength conversion element that converts linearly polarized light components. This apparatus ensures that the intensity of the output light remains constant, regardless of the incident polarization angle of the signal light.
Career Highlights
Throughout his career, Kazuhiro Yamada has worked with notable companies, including Chisso Corporation. His work has been instrumental in developing technologies that enhance the performance and efficiency of optical and electrical systems.
Collaborations
Yamada has collaborated with esteemed colleagues such as Tadao Ishibashi and Takashi Kuroda. These partnerships have contributed to the success of his innovative projects and patents.
Conclusion
Kazuhiro Yamada's contributions to electrical and optical technologies demonstrate his expertise and commitment to innovation. His patents reflect a deep understanding of complex systems and a drive to push the boundaries of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile