Junichi Takeyama

This inventor holds 12 USPTO granted patents. Top assignees: Semiconductor Energy Laboratory Co., Ltd., Ricoh Company, Ltd.. Active years: 1991-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Takeyama. Retrieved from https://idiyas.com/inventor/junichi-takeyama

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

USPTO Granted Patents = 12

% Patents Active = 83.3

Average Co-Inventor Count = 4.8

ph-index = 12

Forward Citations = 558(Granted Patents)

Location History:

Kanagawa, JP (1999 - 2004)
Atsugi, JP (1991 - 2006)

Company Filing History:

12 out of 16,652

Semiconductor Energy Laboratory Co., Ltd.

where one patent can have more than one assignee

Years Active: 1991-2006

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7148094 - Semiconductor device and method for its preparation (2006-12-12),

2. 6756657 - Method of preparing a semiconductor having controlled crystal orientation (2004-06-29),

3. 6730549 - Semiconductor device and method for its preparation (2004-05-04),

4. 6417031 - Method of manufacturing a semiconductor device (2002-07-09),

5. 6232156 - Method of manufacturing a semiconductor device (2001-05-15),

6. 5904770 - Method of manufacturing a semiconductor device (1999-05-18),

7. 5895933 - Semiconductor device and method for its preparation (1999-04-20),

8. 5882960 - Method of preparing a semiconductor having a controlled crystal (1999-03-16),

9. 5585291 - Method for manufacturing a semiconductor device containing a (1996-12-17),

10. 5185179 - Plasma processing method and products thereof (1993-02-09),

11. 5079031 - Apparatus and method for forming thin films (1992-01-07),

12. 5059502 - Electrophotographic photoconductor (1991-10-22),

Title: Junichi Takeyama: Pioneering Inventor from Kanagawa

Introduction: Junichi Takeyama is a distinguished inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junichi Takeyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the tech industry, Junichi Takeyama has worked with leading research institutions and multinational corporations, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Junichi Takeyama has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity that has led to numerous successful projects and products.

Conclusion: Junichi Takeyama's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology and inspiring the next generation of inventors.

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]