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Shin Nisso Kako Co., Ltd.

USPTO Granted Patents = 23

Forward Citations = 124

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37 inventors (with patents filed for the assignee):

Tetsuo Igaki (12 out of 15 patents)

Masakichi Yahagi (11 out of 13 patents)

Kimiaki Kinoshita (9 out of 12 patents)

4. Takeo Obitsu (6 out of 6 patents)

5. Shinji Yoshinaka (5 out of 6 patents)

6. Shinichiro Ueyama (5 out of 7 patents)

7. Tetsuhiko Okamoto (5 out of 7 patents)

8. Kazuyuki Horisawa (4 out of 4 patents)

9. Morikuni Saito (4 out of 5 patents)

10. Morio Nanbu (4 out of 4 patents)

11. Teruo Suzuki (3 out of 14 patents)

12. Yutaka Ohnishi (3 out of 3 patents)

13. Minoru Koguchi (3 out of 3 patents)

14. Shoichi Horiuchi (3 out of 3 patents)

15. Takahumi Toyama (3 out of 3 patents)

23 patents: Sort by Forward Citations

1. 4954631 - Fluoran compounds and color forming recording materials using same (1990-09-04),

2. 4864048 - Process for preparing phosphonitrile compound having substituted (1989-09-05),

3. 4855389 - Process for producing phosphonitrile oligomers containing (1989-08-08),

4. 4826806 - Fluoran compounds and color forming recording materials using same (1989-05-02),

5. 4795621 - Process for the preparation of phosphonitrile chloride oligomer (1989-01-03),

6. 4794069 - Spirobenzanthracene phthalide compounds, processes for preparing same (1988-12-27),

7. 4727162 - Molecular compound of fluoran compound and ketone (1988-02-23),

8. 4695640 - Addition compound of fluoran compounds and ketone (1987-09-22),

9. 4687862 - Fluoran compounds (1987-08-18),

10. 4680598 - Chromogenic materials employing fluoran compounds (1987-07-14),

11. 4677203 - Chromogenic fluoran derivatives (1987-06-30),

12. 4668967 - Fluoran compound and color forming record materials using the same (1987-05-26),

13. 4665199 - 3-N-isobutylethylamino-6-methyl-7-phenylaminofluoran (1987-05-12),

14. 4616239 - 4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable (1986-10-07),

15. 4613879 - Chromogenic recording materials (1986-09-23),

Shin Nisso Kako Co., Ltd. is a leading Japanese company specializing in the manufacture of high-quality chemical products and materials. With a strong focus on innovation and customer satisfaction, Shin Nisso Kako Co., Ltd. has been a trusted partner for businesses across various industries for over 50 years. Their products are known for their reliability and superior performance, making them a preferred choice for companies looking for top-tier chemical solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

23 Patents

#100 in

#2,646 in Japan

#26,841 in the World

Shin Nisso Kako Co., Ltd.

Forward Citations = 124

37 inventors:

Tetsuo Igaki (12 out of 15 patents)

Masakichi Yahagi (11 out of 13 patents)

Kimiaki Kinoshita (9 out of 12 patents)

4. Takeo Obitsu (6 out of 6 patents)

5. Shinji Yoshinaka (5 out of 6 patents)

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