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Sanko Kaihatsu Kagaku Kenkyusho

USPTO Granted Patents = 24

Forward Citations = 140

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29 inventors (with patents filed for the assignee):

Toranosuke Saito (22 out of 31 patents)

Takashi Ishibashi (8 out of 10 patents)

Shigeru Oda (7 out of 12 patents)

4. Masakatu Kitani (6 out of 7 patents)

5. Tomoharu Shiozaki (5 out of 16 patents)

6. Toshitake Suzuki (5 out of 10 patents)

7. Eiji Kawabata (4 out of 6 patents)

8. Naoto Arai (4 out of 19 patents)

9. Masato Tanaka (4 out of 7 patents)

10. Hiroki Tsunomachi (3 out of 7 patents)

11. Hiroyuki Ohishi (3 out of 3 patents)

12. Takeshi Murakami (2 out of 19 patents)

13. Daishiro Kishimoto (2 out of 8 patents)

14. Tetsuo Shiraishi (2 out of 7 patents)

15. Shoji Aoyagi (2 out of 7 patents)

24 patents: Sort by Forward Citations

1. 6040470 - Sulfonyl compound and thermalsensitive recording medium using the same (2000-03-21),

2. 5840652 - Sulfonyl compound and thermalsensitive recording medium using the same (1998-11-24),

3. 5393332 - Color developer for pressure-sensitive recording sheets (1995-02-28),

4. 5328884 - Pressure sensitive manifold sheet containing color developer composition (1994-07-12),

5. 5250108 - Color developer composition, process for preparing aqueous dispersion (1993-10-05),

6. 5248828 - Method for preparing sulfones (1993-09-28),

7. 5235084 - Method for preparing sulfones (1993-08-10),

8. 5164001 - Method for preparing aqueous dispersion of developer and (1992-11-17),

9. 5143890 - Heat sensitive recording material (1992-09-01),

10. 5118443 - Developer for pressure-sensitive recording sheets, aqueous dispersion of (1992-06-02),

11. 5107006 - Clathrate compounds of nuclear-substituted salicyclic acid salts (1992-04-21),

12. 5049685 - Nuclear substituted salicylic acids and their salts (1991-09-17),

13. 5041604 - Process for producing di(aryloxy)alkane (1991-08-20),

14. 5019548 - Heat sensitive recording material (1991-05-28),

15. 4973720 - Process for the preparation of p-benzoquinone (1990-11-27),

Sanko Kaihatsu Kagaku Kenkyusho is a leading research and development company specializing in innovative scientific solutions. With expertise in various fields such as chemistry, materials science, and engineering, we strive to create cutting-edge technologies that address the world's challenges. Our dedicated team of scientists and engineers work diligently to develop novel products, improve existing processes, and contribute to sustainable development. Visit our website to learn more about our diverse research projects and collaborations.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

24 Patents

#253 in Osaka

#2,581 in Japan

#25,875 in the World

Sanko Kaihatsu Kagaku Kenkyusho

Forward Citations = 140

29 inventors:

Toranosuke Saito (22 out of 31 patents)

Takashi Ishibashi (8 out of 10 patents)

Shigeru Oda (7 out of 12 patents)

4. Masakatu Kitani (6 out of 7 patents)

5. Tomoharu Shiozaki (5 out of 16 patents)

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