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Forward Citations = 46

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11 inventors (with patents filed for the assignee):

Tatsumasa Nakamura (6 out of 6 patents)

Yoshiaki Ise (6 out of 6 patents)

Hiroyuki Kimura (3 out of 148 patents)

4. Hiroyuki Miyazawa (3 out of 20 patents)

5. Yoshiaki Okamoto (3 out of 3 patents)

6. Toshiyuki Kato (3 out of 3 patents)

7. Shinichi Okoshi (3 out of 7 patents)

8. Masahiro Sakurada (1 out of 30 patents)

9. Wataru Sato (1 out of 5 patents)

10. Katsuhiko Kemmochi (1 out of 4 patents)

11. Ohta Tomohiko (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. 5640282 - Base body of reflecting mirror and method for preparing the same (1997-06-17),

2. 5617262 - Base body of reflecting mirror and method for preparing the same (1997-04-01),

3. 5609682 - Method for the preparation of silicon single crystal (1997-03-11),

4. 5576884 - Base body of reflecting mirror and method for preparing the same (1996-11-19),

5. 5563743 - Base body of a reflecting mirror and method for the preparation thereof (1996-10-08),

6. 5461511 - Base body of a reflecting mirror and method for the preparation thereof (1995-10-24),

7. 5316564 - Method for preparing the base body of a reflecting mirror (1994-05-31),

Shin-etsu Quartz Co., Ltd. is a leading manufacturer of quartz products, specializing in quartz glassware for various industries such as semiconductor, electronics, and optics. With over 60 years of experience, the company offers high-quality products and services to meet the demanding requirements of its customers worldwide.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

7 Patents

#2,027 in Tokyo

#5,302 in Japan

Tokyo, Japan

Shin-Etsu Quartz Co., Ltd.