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Shin-Estu Chemical Co., Ltd.

USPTO Granted Patents = 24

% Expired Patents = 12.5

Forward Citations = 144

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58 inventors (with patents filed for the assignee):

Jun Hatakeyama (3 out of 573 patents)

Tsutomu Ogihara (3 out of 187 patents)

Toshio Shiobara (3 out of 193 patents)

4. Hideo Kaneko (2 out of 67 patents)

5. Katsuya Takemura (2 out of 82 patents)

6. Tsutomu Kashiwagi (2 out of 86 patents)

7. Kazuaki Sumita (2 out of 32 patents)

8. Masayuki Ikeno (2 out of 62 patents)

9. Takafumi Ueda (2 out of 40 patents)

10. Hiroki Yoshikawa (2 out of 64 patents)

11. Noriyasu Fukushima (2 out of 6 patents)

12. Hiroshi Miyoshi (2 out of 4 patents)

13. Yukio Inazuki (1 out of 95 patents)

14. Hideto Kato (1 out of 97 patents)

15. Koji Hasegawa (1 out of 214 patents)

24 patents: Sort by Forward Citations

1. 10829589 - Heat-curable resin composition (2020-11-10),

2. 10012903 - Resist composition and pattern forming process (2018-07-03),

3. 9122147 - Pattern forming process (2015-09-01),

4. 9005883 - Patterning process (2015-04-14),

5. 7638268 - Rework process for photoresist film (2009-12-29),

6. 7563854 - Method of producing high molecular weight organopolysiloxane, composition comprising the high molecular weight organopolysiloxane, and optical semiconductor device sealed with cured product thereof (2009-07-21),

7. 7521813 - Silicone rubber composition, light-emitting semiconductor embedding/protecting material and light-emitting semiconductor device (2009-04-21),

8. 7514185 - Preparation of photomask blank and photomask (2009-04-07),

9. 7510816 - Silicon-containing resist composition and patterning process (2009-03-31),

10. 7476485 - Resist lower layer film material and method for forming a pattern (2009-01-13),

11. 7329475 - Method of selecting photomask blank substrates (2008-02-12),

12. 7329474 - Photomask blank, photomask, and method of manufacture (2008-02-12),

13. 7307122 - Air bag coating composition (2007-12-11),

14. 7279590 - Preparation of organohalosilanes (2007-10-09),

15. 7169833 - Liquid epoxy resin composition and semiconductor device (2007-01-30),

Shin-etsu Chemical Co., Ltd. is a leading global supplier of silicones, plastics, semiconductor materials, and synthetic quartz crystals. With a strong focus on research and development, Shin-etsu Chemical is committed to providing innovative solutions to a wide range of industries including electronics, automotive, and healthcare. With a long history of excellence and a dedication to quality, Shin-etsu Chemical continues to be a trusted partner for businesses around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

24 Patents

#1,213 in Tokyo

#2,629 in Japan

#26,555 in the World

Shin-Estu Chemical Co., Ltd.

Forward Citations = 144

58 inventors:

Jun Hatakeyama (3 out of 573 patents)

Tsutomu Ogihara (3 out of 187 patents)

Toshio Shiobara (3 out of 193 patents)

4. Hideo Kaneko (2 out of 67 patents)

5. Katsuya Takemura (2 out of 82 patents)

Please report any incorrect information to [email protected]

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