Location History:
- Iwakuni, JA (1976 - 1978)
- Kyoto, JP (1980)
- Ibaraki all of, JP (1981)
- Matsuyama, JP (1987 - 1989)
- Chiba, JP (1996)
- Ibaraki, JP (1982 - 1997)
- Tokyo, JP (1999 - 2002)
Company Filing History:
Years Active: 1976-2002
Title: The Innovative Journey of Shiro Kumakawa
Introduction: Shiro Kumakawa, an accomplished inventor based in Ibaraki, Japan, holds an impressive portfolio of 15 patents. His work primarily focuses on advancements in the manufacturing of electronic components, demonstrating exceptional innovation and expertise in his field.
Latest Patents: Kumakawa's latest patent, titled "Method of Manufacturing Electronic Component," introduces a novel approach to produce multi-layered electronic parts. This method utilizes a polyethylene microporous sheet with specific characteristics, including a thickness of 25 micrometers or less, tensile strengths of 3 kg/mm or more in the longitudinal direction, and an elongation of 30% or less in the machine direction. The process is streamlined through steps that involve unwinding the sheet, cutting it to predetermined lengths, stacking the cut sheets, and finally cutting the layered structure, thus allowing for efficient production of layered electronic parts.
Career Highlights: Shiro Kumakawa has been a key contributor to Teijin Limited, where he has channeled his innovative spirit into significant projects. His inventions are not only pioneering but also critical in enhancing the production processes and quality of electronic components in the industry.
Collaborations: Throughout his career, Kumakawa has worked alongside talented coworkers such as Kunio Nishimura and Hideo Nakagawa. Together, they have cultivated a collaborative environment that fosters creativity and innovation, resulting in impactful technological advancements.
Conclusion: Shiro Kumakawa’s contributions to the realm of electronic component manufacturing underscore his status as a leading inventor. His commitment to innovation is evident through his numerous patents and collaborative efforts, as he continues to shape the future of technology at Teijin Limited.
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.