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Ihara Chemical Industry Co., Ltd.

USPTO Granted Patents = 211

CIPO Patents = 10

EPO Patents = 28

Trademarks = 1

Forward Citations = 1,258

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265 inventors (with patents filed for the assignee):

Nobuhide Wada (20 out of 22 patents)

Takeshige Miyazawa (19 out of 32 patents)

Shoji Kusano (16 out of 19 patents)

4. Chihiro Yazawa (16 out of 16 patents)

5. Keiji Toriyabe (15 out of 22 patents)

6. Yoshiyuki Kojima (15 out of 15 patents)

7. Satoru Takahashi (14 out of 60 patents)

8. Norihisa Yonekura (13 out of 15 patents)

9. Hidetaka Hiyoshi (13 out of 15 patents)

10. Hiroyuki Yano (13 out of 15 patents)

11. Masatoshi Tamaru (11 out of 12 patents)

12. Shigehiko Tachikawa (11 out of 11 patents)

13. Toshihiro Nagata (10 out of 13 patents)

14. Hideo Ohi (10 out of 10 patents)

15. Katsumi Masuda (10 out of 10 patents)

Core Competencies:

Diphenylamine Compounds

Ketomalonic Acid Compounds

Isothiazole Derivatives

Pest Control Agents

Aryl Triazole Compounds

Pyridone Derivatives

Insecticides

Herbicides

Pyrazole Derivatives

Agrochemical Compositions

Nitrobenzene Compounds

Hydrazone Compounds

211 patents: Sort by Forward Citations

1. 9550724 - Diphenylamine compounds and production method thereof (2017-01-24),

2. 9499469 - Production method of ketomalonic acid compound (2016-11-22),

3. 9353071 - Method for manufacturing isothiazole compound (2016-05-31),

4. 9332754 - Alkyl phenyl sulfide derivative and pest control agent (2016-05-10),

5. 9044013 - Glyoxime derivative and pest control agent (2015-06-02),

6. 9006477 - Method for producing nitrobenzene compound (2015-04-14),

7. 8969554 - 6-acyl-1,2,4-triazine-3,5-dione derivative and herbicides (2015-03-03),

8. 8895035 - Alkoxyimino derivative and pest control agent (2014-11-25),

9. 8859803 - Process for production of ketomalonic acid compounds or hydrates thereof (2014-10-14),

10. 8802713 - 3-alkoxy-1-phenylpyrazole derivatives and pesticides (2014-08-12),

11. 8748605 - Method for producing 4,6-dialkoxy-2-cyanomethylpyrimidine and synthetic intermediate thereof (2014-06-10),

12. 8741803 - Pesticidal composition and method for controlling pest (2014-06-03),

13. 8729116 - Triazole compound having pesticidal activities (2014-05-20),

14. 8648207 - Aryl (1H-1,2,4-triazol-1-yl) compound, and process for production thereof (2014-02-11),

15. 8648075 - Substituted pyrido[2,3-b]pyrazines and an agrochemical composition thereof (2014-02-11),

IHARA CHEMICAL INDUSTRY CO., LTD. is a leading chemical company based in Japan. With a history of over 50 years, they specialize in the production and distribution of various chemicals for industrial applications. Their product range includes agrochemicals, pharmaceuticals, functional materials, and other specialty chemicals. IHARA CHEMICAL INDUSTRY CO., LTD. is committed to innovation, sustainability, and customer satisfaction.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

211 Patents

#296 in Tokyo

#663 in Japan

#3,908 in the World

Ihara Chemical Industry Co., Ltd.

Forward Citations = 1,258

265 inventors:

Nobuhide Wada (20 out of 22 patents)

Takeshige Miyazawa (19 out of 32 patents)

Shoji Kusano (16 out of 19 patents)

4. Chihiro Yazawa (16 out of 16 patents)

5. Keiji Toriyabe (15 out of 22 patents)

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