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Gigaphoton Inc.

USPTO Granted Patents = 596

% Expired Patents = 5.7

EPO Patents = 12

Trademarks = 3

Forward Citations = 1,156

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218 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

596 patents: Sort by Forward Citations

1. 12730385 - Electronic device manufacturing method and lithography control processor (2026-09-08),

2. 12727072 - EUV light generation system and electronic device manufacturing method (2026-09-01),

3. 12695264 - Laser apparatus and electronic device manufacturing method (2026-07-28),

4. 12690409 - Machine learning method, laser annealing system, and laser annealing method (2026-07-21),

5. 12676455 - Electronic device manufacturing method, laser device, and wavelength sequence calculation system (2026-07-07),

6. 12671221 - Ultraviolet laser device and electronic device manufacturing method (2026-06-30),

7. 12671220 - Optical pulse stretcher, laser apparatus, and electronic device manufacturing method (2026-06-30),

8. 12669756 - Extreme ultraviolet light generation system and electronic device manufacturing method (2026-06-30),

9. 12669752 - Extreme ultraviolet light generation system and electronic device manufacturing method (2026-06-30),

10. 12665381 - Laser apparatus, wavelength control method, and electronic device manufacturing method (2026-06-23),

11. 12656695 - Electric component box and extreme ultraviolet light generation apparatus (2026-06-16),

12. 12646900 - Laser apparatus, pulse width stretching apparatus, and electronic device manufacturing method (2026-06-02),

13. 12643174 - Alignment adjuster and method for manufacturing electronic devices (2026-06-02),

14. 12640532 - Pulse stretcher and electronic device manufacturing method (2026-05-26),

15. 12638777 - Extreme ultraviolet light generation chamber device and electronic device manufacturing method (2026-05-26),

Gigaphoton Inc. is a leading manufacturer of laser-based lithography light sources used in the semiconductor industry. With a strong focus on innovation and technological advancements, Gigaphoton offers a wide range of high-quality products and solutions that enable customers to achieve higher productivity in their semiconductor manufacturing processes. Headquartered in Japan, Gigaphoton has established a global presence, serving semiconductor manufacturers worldwide with their cutting-edge laser technologies and exceptional customer support.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Gigaphoton Inc.

596 Patents

#1 in Tochigi

#335 in Japan

#1,633 in the World

Gigaphoton Inc.

Forward Citations = 1,156

218 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)

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