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Gigaphoton Inc.

USPTO Granted Patents = 599

% Expired Patents = 5.7

EPO Patents = 12

Trademarks = 3

Forward Citations = 1,156

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220 inventors (with patents filed for the assignee):

Osamu Wakabayashi (252 out of 297 patents)

Kouji Kakizaki (72 out of 73 patents)

Masato Moriya (51 out of 72 patents)

4. Takayuki Yabu (46 out of 54 patents)

5. Tamotsu Abe (43 out of 46 patents)

6. Yoshifumi Ueno (42 out of 51 patents)

7. Shinji Nagai (41 out of 45 patents)

8. Hideo Hoshino (40 out of 40 patents)

9. Tatsuya Yanagida (38 out of 38 patents)

10. Tsukasa Hori (33 out of 39 patents)

11. Akira Endo (33 out of 116 patents)

12. Hakaru Mizoguchi (32 out of 49 patents)

13. Takashi Suganuma (31 out of 33 patents)

14. Hiroaki Tsushima (26 out of 26 patents)

15. Yukio Watanabe (26 out of 27 patents)

Core Competencies:

EUV Light Generation

Laser System

Electronic Device Manufacturing

Solid-State Laser

Exposure System

Wavelength Measurement

Gas Laser Apparatus

Laser Processing

Machine Learning

Phase Matching

Target Supply System

Optical Isolator

599 patents: Sort by Forward Citations

1. 12763543 - Line narrowing laser device, and electronic device manufacturing method (2026-10-13),

2. 12750939 - Extreme ultraviolet light generation apparatus and electronic device manufacturing method (2026-09-29),

3. 12746618 - Laser processing apparatus including a hole in a workpiece having a resin layer, laser processing method, and electronic device manufacturing method having the same (2026-09-29),

4. 12730385 - Electronic device manufacturing method and lithography control processor (2026-09-08),

5. 12727072 - EUV light generation system and electronic device manufacturing method (2026-09-01),

6. 12695264 - Laser apparatus and electronic device manufacturing method (2026-07-28),

7. 12690409 - Machine learning method, laser annealing system, and laser annealing method (2026-07-21),

8. 12676455 - Electronic device manufacturing method, laser device, and wavelength sequence calculation system (2026-07-07),

9. 12671221 - Ultraviolet laser device and electronic device manufacturing method (2026-06-30),

10. 12671220 - Optical pulse stretcher, laser apparatus, and electronic device manufacturing method (2026-06-30),

11. 12669756 - Extreme ultraviolet light generation system and electronic device manufacturing method (2026-06-30),

12. 12669752 - Extreme ultraviolet light generation system and electronic device manufacturing method (2026-06-30),

13. 12665381 - Laser apparatus, wavelength control method, and electronic device manufacturing method (2026-06-23),

14. 12656695 - Electric component box and extreme ultraviolet light generation apparatus (2026-06-16),

15. 12646900 - Laser apparatus, pulse width stretching apparatus, and electronic device manufacturing method (2026-06-02),

Company Overview

Gigaphoton Inc., headquartered in Tochigi, Japan, specializes in the development and manufacturing of advanced light sources for extreme ultraviolet (EUV) lithography. The company focuses on innovative technologies such as solid-state lasers and gas laser apparatuses, which are critical for electronic device manufacturing. Gigaphoton's expertise extends to exposure systems and wavelength measurement, positioning it as a key player in the semiconductor industry, particularly in enhancing the efficiency and precision of lithographic processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

599 Patents

#1 in Tochigi

#335 in Japan

#1,632 in the World

Gigaphoton Inc.

Forward Citations = 1,156

220 inventors:

Osamu Wakabayashi (252 out of 297 patents)

Kouji Kakizaki (72 out of 73 patents)

Masato Moriya (51 out of 72 patents)

4. Takayuki Yabu (46 out of 54 patents)

5. Tamotsu Abe (43 out of 46 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gigaphoton Inc.. Retrieved from https://idiyas.com/company/gigaphoton

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

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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