Yoshio Tajima

This inventor holds 5 USPTO granted patents. Top assignees: The Yokohama Rubber Co., Ltd., Hitachi, Ltd.. Active years: 1978-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Tajima. Retrieved from https://idiyas.com/inventor/yoshio-tajima-btxzco26

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 39(Granted Patents)

Location History:

Hiratsuka, JA (1978)
Shizuoka, JP (1991)
Ito, JP (1985 - 1992)

Company Filing History:

5 out of 2,770

The Yokohama Rubber Co., Ltd.

where one patent can have more than one assignee

Years Active: 1978-1992

Loading Chart...

5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5133087 - Laminate having indicator function (1992-07-28),

2. 5017427 - Laminate having indicator function (1991-05-21),

3. 4987196 - Process for acceleratively vulcanizing rubbers with protein serum (1991-01-22),

4. 4495236 - Pressure-sensitive electrically conductive composite sheet (1985-01-22),

5. 4075159 - Rubber compositions with benzoic acid compounds (1978-02-21),

Title: Innovations of Yoshio Tajima

Introduction

Yoshio Tajima is a notable inventor based in Ito, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative laminates. With a total of 5 patents to his name, Tajima's work has garnered attention for its practical applications.

Latest Patents

One of his latest patents is a laminate having an indicator function. This laminate comprises an inner layer containing an acid/base indicator and an outer layer that does not contain any acid/base indicator. The inner layer is designed to undergo a color change upon contact with an acid or an alkali, making it a valuable tool for various applications.

Career Highlights

Throughout his career, Yoshio Tajima has worked with prominent companies such as The Yokohama Rubber Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in the industry.

Collaborations

Tajima has collaborated with notable coworkers, including Masaaki Obara and Morihisa Machida. These partnerships have played a crucial role in the development of his patented technologies.

Conclusion

Yoshio Tajima's contributions to the field of materials science through his innovative patents highlight his expertise and dedication as an inventor. His work continues to influence various industries, showcasing the importance of innovation in technology.

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]