Location History:
- Itabashi, JP (1980)
- Mooka, JP (1982 - 1990)
- Tokyo, JP (1979 - 2009)
- Koto-ku, JP (2009)
Company Filing History:
11 out of 46 
7 out of 140 
2 out of 297 
Years Active: 1979-2009
Title: Innovations and Contributions of Tomonari Ohtsuki
Introduction: Tomonari Ohtsuki is a notable inventor based in Tokyo, Japan, known for his significant contributions to the field of electrical engineering. With a total of 22 patents to his name, Ohtsuki has developed solutions that enhance the performance and reliability of electrical contacts and connectors.
Latest Patents: One of his latest innovations is a method for preventing solder rise to electric contacts. This invention specifically addresses the challenges faced when soldering electric contacts to copper foil, which can often lead to solder rising and compromising the connection. His method includes cooling elements that interact with the contact portions and heating elements that focus on the connections with the copper foil. As a result, the electric contacts possess superior mechanical properties, electrical conductivity, resistance to environmental degradation, and minimized solder rise due to capillary action.
Another notable patent involves the design of connectors and pushing jigs. These designs include conductors arranged on flexible printed circuit boards, ensuring stable connections between contacts of different connecting objects. The innovative structures allow for reduced distances between substrates and enable narrower pitches while maintaining connection stability.
Career Highlights: Tomonari Ohtsuki has worked with several prominent companies, including Daiichi Denshi Kogyo Kabushiki Kaisha and DDK Ltd. His expertise has significantly contributed to advancements in the company's product lines, reinforcing their positions within the market.
Collaborations: Throughout his career, Ohtsuki has collaborated with prominent colleagues such as Yoshiaki Igarashi and Yasue Yamazaki. These partnerships have fostered a culture of innovation, leading to groundbreaking patents and technological advancements in the industry.
Conclusion: Tomonari Ohtsuki's contributions to electrical engineering and his portfolio of patents demonstrate his commitment to innovation. His work not only improves product performance but also sets a standard for future developments in electrical connections and manufacturing processes. As he continues to innovate, the industry can expect further enhancements driven by his expertise and visionary approach.
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.