Amagasaki, Japan

Yoshihiro Tsujita

This inventor holds 5 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Tsujita. Retrieved from https://idiyas.com/inventor/yoshihiro-tsujita

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 142(Granted Patents)


Location History:

  • Hyogo, JP (1989 - 1990)
  • Amagasaki, JP (1990)

Company Filing History:


Years Active: 1989-1990

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5 patents (USPTO):Explore Patents

Title: Yoshihiro Tsujita: Innovator in Telecommunications

Introduction

Yoshihiro Tsujita is a distinguished inventor based in Amagasaki, Japan, known for his innovative contributions to telecommunications. With a notable record of five patents, Tsujita has made significant advancements in the design and functionality of telephone equipment and controls.

Latest Patents

Among Tsujita's latest patents is a novel design for a telephone set. This invention features a base unit with a front recess defined by a bottom and a sloping wall, which includes both front and rear parts. A key innovation in this design is a protrusion on the front part of the sloping wall, complemented by a locking piece that interacts with a rear recess. This mechanism is enhanced by a spring that allows for the retraction of the locking piece, thereby enabling a smooth operation. Additionally, a buffer member is incorporated for improved functionality.

Another significant patent by Tsujita is a self-illuminating panel switch. This innovative switch design supports a key top with a character area printed on its inner surface, ensuring durability as the ink remains protected from wear or removal. The switch's appeal lies in its unique aesthetic and practical functionality, catering to modern design needs.

Career Highlights

Tsujita's professional career is marked by his tenure at Mitsubishi Electric Corporation, where he has applied his technical expertise to develop innovative solutions in telecommunications. His contributions have not only impacted the company but have also set new standards within the industry.

Collaborations

Throughout his career, Tsujita has collaborated with talented colleagues, including Yoshihiro Hattori and Kunitoshi Yoshitake. These partnerships have fostered an environment of creativity and innovation, leading to the successful development of advanced telecommunications technologies.

Conclusion

Yoshihiro Tsujita stands out as a formidable inventor whose work has significantly shaped the landscape of telecommunications. With his patented inventions, he has contributed to greater efficiency and user experience in communication devices. His ongoing commitment to innovation and collaboration continues to inspire future advancements in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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