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For the Inventor, By the Inventor

Annaka, Japan

Masaro Tamatsuka

This inventor holds 30 USPTO granted patents and 1 EPO patent, primarily in Silicon Wafer Manufacturing. Top assignee: Shin-Etsu Handotai Co., Ltd.. Active years: 1995-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaro Tamatsuka. Retrieved from https://idiyas.com/inventor/masaro-tamatsuka

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

USPTO Granted Patents = 30

% Patents Active = 93.3


Average Co-Inventor Count = 2.9

ph-index = 10

Forward Citations = 273(Granted Patents)


Location History:

  • Gunma-ken, JP (2000 - 2001)
  • Annaka, JP (1995 - 2006)
  • Gunma, JP (1995 - 2008)
  • Nishigo-mura, JP (2022)

Company Filing History:

goldMedal30 out of 1,099 
 
Shin-Etsu Handotai Co., Ltd.
 patents

Years Active: 1995-2022

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Areas of Expertise:
Silicon Wafer
Annealed Wafer
Nitrogen Doping
Single Crystal Wafer
Epitaxial Wafer
SOI Substrate
Thermal Annealing
Bonded Wafer
Defect Reduction
Heat Treatment
Carbon Concentration
Interstitial Oxygen
30 patents (USPTO):Explore Patents
1. 11248306 - Anodic-oxidation equipment, anodic-oxidation method, and method for producing cathode of anodic-oxidation equipment (2022-02-15),
2. 7326658 - Method for preparing nitrogen-doped annealed wafer and nitrogen-doped and annealed wafer (2008-02-05),
3. 7189293 - Method of producing annealed wafer and annealed wafer (2007-03-13),
4. 7153785 - Method of producing annealed wafer and annealed wafer (2006-12-26),
5. 7147711 - Method of producing silicon wafer and silicon wafer (2006-12-12),
6. 7011717 - Method for heat treatment of silicon wafers and silicon wafer (2006-03-14),
7. 6878645 - Method for manufacturing silicon wafer (2005-04-12),
8. 6841450 - Annealed wafer manufacturing method and annealed wafer (2005-01-11),
9. 6809015 - Method for heat treatment of silicon wafers and silicon wafer (2004-10-26),
10. 6805743 - Method for manufacturing single-crystal-silicon wafers (2004-10-19),
11. 6802899 - Silicon single crystal wafer and manufacturing process therefor (2004-10-12),
12. 6680260 - Method of producing a bonded wafer and the bonded wafer (2004-01-20),
13. 6670261 - Production method for annealed wafer (2003-12-30),
14. 6626994 - Silicon wafer for epitaxial wafer, epitaxial wafer, and method of manufacture thereof (2003-09-30),
15. 6599603 - Silicon wafer (2003-07-29),

Title: Masaro Tamatsuka: Pioneering Inventor from Annaka

Introduction: Masaro Tamatsuka is a renowned inventor hailing from Annaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tamatsuka's latest patents include advancements in renewable energy technologies, artificial intelligence systems, and sustainable transportation solutions.

Career Highlights: With a career spanning over three decades, Masaro Tamatsuka has established himself as a leading figure in the world of inventors, with numerous patents and inventions that have revolutionized various industries.

Collaborations: Throughout his career, Tamatsuka has collaborated with top research institutions, universities, and leading companies to bring his innovative ideas to life. His collaborative efforts have led to the development of cutting-edge technologies that have had a significant impact on society.

Conclusion: Masaro Tamatsuka's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His contributions to the world of technology continue to inspire future generations of inventors and innovators.

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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