Fumio Kawamura

This inventor holds 73 USPTO granted patents and 1 published patent application and 7 EPO patents, primarily in Nitride Crystal Growth (CPC class 5032). Top assignees: Hitachi, Ltd., Ngk Insulators, Inc., Osaka University. Active years: 1982-2015.

USPTO Granted Patents = 73 (Patent Applications = 1)

% Patents Active = 78.1

EPO Patents = 7

Average Co-Inventor Count = 5.3

ph-index = 12

Forward Citations = 520(Granted Patents)

Forward Citations (Not Self Cited) = 502(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hitachi, JP (1982 - 1992)
Fujisawa, JP (1995)
Yamato, JP (1998)
Shizuoka-ken, JP (1999)
Shizuoka, JP (1985 - 2000)
Sizuoka, JP (2001)
Tokyo, JP (1990 - 2004)
Mito, JP (2007)
Minou, JP (2008)
Kanagawa, JP (2009)
Minoo, JP (2008 - 2010)
Minoh, JP (2006 - 2011)
Osaka-fu, JP (2012)
Osaka, JP (2008 - 2013)
Suita, JP (2009 - 2015)

Company Filing History:

Toyoda Gosei Co., Ltd.

patents

6. 9 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

7. 3 out of 10,627

Sumitomo Electric Industries, Limited

patents

8. 2 out of 16,454

Panasonic Corporation

patents

9. 2 out of 177

The Tokyo Electric Power Company, Incorporated

patents

10. 1 out of 162

Hitachi Engineering Co., Ltd.

patents

11. 1 out of 57

Hitachi Plant Engineering Construction Co., Ltd.

patents

12. 1 out of 377

Japan Synthetic Rubber Co., Ltd.

patents

13. 1 out of 321

Kurita Water Industries Ltd.

patents

14. 1 out of 13

Miyoshi Yushi Kabushiki Kaisha

patents

15. 1 out of 10

Osaka Industrial Promotion Organization

Tomoegawa Paper Co., Inc.

patents

18. 1 out of 3

Tomoegawa Paper Manufacturing Company Limited

20. 15 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1982-2015

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Areas of Expertise:

Nitride Crystal

GaN Substrate

Compound Semiconductor

Single Crystal Growth

Semiconductor Device

Crystal Production

Manufacturing Method

Group III Element

Thermal Management

Image Processing

Reversible Recording

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9017479 - Nitride single crystal manufacturing apparatus (2015-04-28),

2. 8999059 - Process for producing a nitride single crystal and apparatus therefor (2015-04-07),

3. 8657955 - Melt composition for gallium nitride single crystal growth and method for growing gallium nitride single crystal (2014-02-25),

4. 8574361 - Group-III element nitride crystal producing method and group-III element nitride crystal (2013-11-05),

5. 8506705 - Method for manufacturing nitride single crystal (2013-08-13),

6. 8486190 - Process for producing single crystal (2013-07-16),

7. 8361222 - Method for producing group III nitride-based compound semiconductor (2013-01-29),

8. 8231729 - Apparatus for producing nitride single crystal (2012-07-31),

9. 8227324 - Method for producing group III nitride-based compound semiconductor crystal (2012-07-24),

10. 8216365 - Method for producing a semiconductor crystal (2012-07-10),

11. 8187507 - GaN crystal producing method, GaN crystal, GaN crystal substrate, semiconductor device and GaN crystal producing apparatus (2012-05-29),

12. 8123856 - Method and apparatus for producing group III nitride based compound semiconductor (2012-02-28),

13. 8084281 - Semiconductor substrate, electronic device, optical device, and production methods therefor (2011-12-27),

14. 8038794 - Group III-nitride crystal, manufacturing method thereof, group III-nitride crystal substrate and semiconductor device (2011-10-18),

15. 8025728 - Method for manufacturing single crystal of nitride (2011-09-27),

Title: The Innovative Journey of Fumio Kawamura

Introduction: Fumio Kawamura, a pioneering inventor hailing from Shizuoka, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Fumio Kawamura holds several patents in various fields, including technology, healthcare, and automotive industries, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Fumio Kawamura has been recognized for his inventive spirit and problem-solving skills. His inventions have not only revolutionized existing technologies but have also opened new avenues for future developments.

Collaborations: Fumio Kawamura has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His partnerships have been instrumental in turning his concepts into tangible products that have had a lasting impact on society.

Conclusion: Fumio Kawamura's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a respected inventor in the global innovation landscape. His work continues to inspire aspiring inventors and shape the future of technology.