Company Filing History:

15 out of 28,584

Ricoh Company, Ltd.

patents

8 out of 40

Ricoh Research Institute of General Electronics Co., Ltd.

patents

3 out of 9

Ricoh Research Institute of General Electronics

patents

4. 1 out of 234

Tohoku Ricoh Co., Ltd.

patents

5. 1 out of 950

Chugai Seiyaku Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1986-2014

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8623138 - Crystal growth apparatus (2014-01-07),

2. 7531038 - Crystal growth method (2009-05-12),

3. 7001457 - Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device (2006-02-21),

4. 5393953 - Electron-beam heating apparatus and heating method thereof (1995-02-28),

5. 5304357 - Apparatus for zone melting recrystallization of thin semiconductor film (1994-04-19),

6. 5283207 - Photoconductive material and photosensor employing the photoconductive (1994-02-01),

7. 5155567 - Amorphous photoconductive material and photosensor employing the (1992-10-13),

8. 5144458 - Total contact type image sensor (1992-09-01),

9. 5140397 - Amorphous silicon photoelectric device (1992-08-18),

10. 5108843 - Thin film semiconductor and process for producing the same (1992-04-28),

11. 5053844 - Amorphous silicon photosensor (1991-10-01),

12. 4966821 - Perpendicular magnetic recording medium (1990-10-30),

13. 4943839 - Contact type image sensor (1990-07-24),

14. 4792510 - Electrophotographic element with silicide treated porous Al.sub.2 (1988-12-20),

15. 4734346 - Photosensitive material for electrophotography (1988-03-29),

Title: Masafumi Kumano - Innovative Inventor from Sendai

Introduction: Masafumi Kumano is a renowned inventor hailing from Sendai, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masafumi Kumano holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his diverse range of expertise and innovative thinking.

Career Highlights: With over two decades of experience in the tech industry, Masafumi Kumano has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Masafumi Kumano has collaborated with top companies and inventors worldwide, fostering a culture of innovation and knowledge sharing that has led to numerous successful projects and inventions.

Conclusion: Masafumi Kumano's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and researchers in Japan and beyond.

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