For the Inventor, By the Inventor

Enter assignee name

Kawasaki, Japan

Tama Chemicals Co., Ltd.

USPTO Granted Patents = 16

EPO Patents = 1

Forward Citations = 128

Loading Chart...

Loading Chart...

28 inventors (with patents filed for the assignee):

Toshitsura Cho (9 out of 11 patents)

Yoshiro Ohta (5 out of 5 patents)

Shumpei Shimizu (5 out of 8 patents)

4. Osamu Yagi (3 out of 4 patents)

5. Mamoru Yoshizako (3 out of 3 patents)

6. Tsurahide Cho (3 out of 3 patents)

7. Takeo Itou (2 out of 43 patents)

8. Hidemi Matsuda (2 out of 42 patents)

9. Nobuyoshi Sasaki (2 out of 13 patents)

10. Shigeo Iiri (2 out of 2 patents)

11. Hideo Sekiguchi (2 out of 2 patents)

12. Yoshikazu Hashimoto (2 out of 2 patents)

13. Tetsuya Yokokawa (2 out of 2 patents)

14. Akiko Saito (1 out of 62 patents)

15. Naoaki Sakurai (1 out of 33 patents)

16 patents: Sort by Forward Citations

1. 8206573 - Electrode for electrolysis and method for producing aqueous solution of quaternary ammonium hydroxide using the same (2012-06-26),

2. 6896927 - Method of preventing organic contamination from the atmosphere of electronic device substrates and electronic device substrates treated therewith (2005-05-24),

3. 6861010 - COPPER-BASED METAL POLISHING COMPOSITION, METHOD FOR MANUFACTURING A SEMICONDUCTOR DEVICE, POLISHING COMPOSITION, ALUMINUM-BASED METAL POLISHING COMPOSITION, AND TUNGSTEN-BASED METAL POLISHING COMPOSITION (2005-03-01),

4. 6315644 - Apparatus and process for supplying abrasives for use in the manufacture of semiconductors (2001-11-13),

5. 5783609 - Process for recovering organoalkoxysilane from polyorganosiloxane (1998-07-21),

6. 5611848 - Process for preparing refractory molded articles and binders therefor (1997-03-18),

7. 5569320 - Process for preparing refractory molded articles and binders therefor (1996-10-29),

8. 5545309 - Method of processing organic quaternary ammonium hydroxide-containing (1996-08-13),

9. 5534649 - Process for preparing dialkyl carbonates (1996-07-09),

10. 5439564 - Method of processing organic quaternary ammonium hydroxide-containing (1995-08-08),

11. 5103034 - Process for preparing alkoxysilanes (1992-04-07),

12. 4900984 - Cathode ray tube with antistatic film on front panel (1990-02-13),

13. 4892625 - Method for producing high purity chemicals (1990-01-09),

14. 4873120 - Method of manufacturing cathode-ray tube (1989-10-10),

15. 4806329 - Method of producing granular synthetic silica (1989-02-21),

Tama Chemicals Co., Ltd. is a leading manufacturer of specialty chemicals, providing innovative solutions for various industries including pharmaceuticals, cosmetics, and agriculture. With a strong focus on research and development, Tama Chemicals is committed to delivering high-quality products that meet the unique needs of their customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#37 in Kawasaki

#3,261 in Japan

#36,634 in the World

Kawasaki, Japan

Tama Chemicals Co., Ltd.

Forward Citations = 128

28 inventors:

Toshitsura Cho (9 out of 11 patents)

Yoshiro Ohta (5 out of 5 patents)

Shumpei Shimizu (5 out of 8 patents)

4. Osamu Yagi (3 out of 4 patents)

5. Mamoru Yoshizako (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…