Forward Citations = 5

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11 inventors (with patents filed for the assignee):

Toshiyuki Yamauchi (3 out of 15 patents)

Eisuke Kanagawa (3 out of 3 patents)

Hideo Aoki (2 out of 5 patents)

4. Kazuyuki Ishihara (2 out of 2 patents)

5. Yoshikatsu Osamura (1 out of 1 patent)

6. Tomohiro Tanino (1 out of 1 patent)

7. Masuo Omichi (1 out of 1 patent)

8. Misato Horie (1 out of 3 patents)

9. Kenji Motojima (1 out of 6 patents)

10. Shin-ichiro Torada (1 out of 1 patent)

11. Naoyuki Sugii (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6495712 - Process for production of carboxylic acid aryl esters (2002-12-17),

2. 5932142 - Benzotriazolyl-alkylene bisphenol compounds, process for their (1999-08-03),

3. 5808086 - Process for preparing bis (2-hydroxyphenyl-3-benztriazole) methanes (1998-09-15),

4. 5250166 - Method of recovering palladium by electrolysis and apparatus therefor (1993-10-05),

Johoku Chemical Co., Ltd. is a leading manufacturer of specialty chemicals, serving a wide range of industries such as automotive, electronics, and construction. With a focus on innovation and sustainability, Johoku Chemical is dedicated to delivering high-quality products and solutions to meet the evolving needs of their customers. Through their commitment to excellence and customer satisfaction, they have established a strong reputation in the chemical industry.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#2,780 in Tokyo

#7,416 in Japan

Tokyo, Japan

Johoku Chemical Co., Ltd.