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For the Inventor, By the Inventor

Annaka, Japan

Masataka Watanabe

This inventor holds 27 USPTO granted patents and 1 EPO patent, primarily in Compound Semiconductors. Top assignees: Shin-Etsu Handotai Co., Ltd., Shin-Etsu Chemical Co., Ltd., Nec Corporation. Active years: 1989-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masataka Watanabe. Retrieved from https://idiyas.com/inventor/masataka-watanabe

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

USPTO Granted Patents = 27

% Patents Active = 88.9


Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 95(Granted Patents)


Location History:

  • Nakakubiki, JP (1989)
  • Nigata, JP (1989 - 1990)
  • Niigato, JP (1991)
  • Gunma-ken, JP (1998 - 2001)
  • Niigata, JP (1991 - 2003)
  • Kubiki-mura, JP (2003)
  • Niigata-ken, JP (2003 - 2006)
  • Annaka, JP (2000 - 2015)

Company Filing History:

goldMedal13 out of 1,099 
 
Shin-Etsu Handotai Co., Ltd.
 patents
silverMedal9 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
bronzeMedal4 out of 36,684 
 
Nec Corporation
 patents
4. 1 out of 834,513 
Other
 patents

Years Active: 1989-2015

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Areas of Expertise:
Nitride Semiconductor
Compound Semiconductor
Optical Fiber
Epitaxial Wafer
Magnetron Sputtering
Phase Shift Mask
Glass Base Material
Monocrystal Growing
Vapor Phase Growth
Heating Coil
PWM Circuit
Shared Memory Control
27 patents (USPTO):Explore Patents
1. 9127376 - Method for manufacturing nitride semiconductor self-supporting substrate and nitride semiconductor self-supporting substrate (2015-09-08),
2. 8003421 - Method for manufacturing compound semiconductor substrate, compound semiconductor substrate and light emitting device (2011-08-23),
3. 7122280 - Angular substrates (2006-10-17),
4. 7055345 - Glass base material manufacturing apparatus and glass base material manufacturing method (2006-06-06),
5. 6848276 - Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus (2005-02-01),
6. 6790129 - Method for polishing angular substrates (2004-09-14),
7. 6779362 - Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod (2004-08-24),
8. 6672112 - OVD apparatus including air-regulating structure (2004-01-06),
9. 6666957 - Magnetron sputtering system and photomask blank production method based on the same (2003-12-23),
10. 6641958 - Phase shift mask blank, phase shift mask, and methods of manufacture (2003-11-04),
11. 6546759 - Glass base material manufacturing apparatus with super imposed back-and-forth burner movement (2003-04-15),
12. 6526094 - PWM Circuit (2003-02-25),
13. 6457106 - Shared memory control system and shared memory control method (2002-09-24),
14. 6396321 - Semiconductor integrated circuit equipped with function for controlling the quantity of processing per unit time length by detecting internally arising delay (2002-05-28),
15. 6386001 - Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction (2002-05-14),

Title: The Innovative Journey of Masataka Watanabe

Introduction: Masataka Watanabe, a pioneering inventor hailing from Annaka, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Masataka Watanabe's latest patents include advancements in renewable energy technologies, medical devices, and artificial intelligence systems.

Career Highlights: With a career spanning over two decades, Masataka Watanabe has worked with leading research institutions and technology companies to bring his inventions to life. His expertise in engineering and design has led to the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Masataka Watanabe has collaborated with top scientists, engineers, and inventors from around the globe. His collaborative efforts have resulted in the creation of innovative products that have received international acclaim.

Conclusion: Masataka Watanabe's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors. His impact on the world of technology is truly remarkable, and his legacy will undoubtedly endure for years to come.

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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