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For the Inventor, By the Inventor

Yokohama, Japan

Chihiro Yazawa

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 61(Granted Patents)


Location History:

  • Yokohama, JP (1980 - 1983)
  • Kanagawa, JP (1984 - 1986)

Company Filing History:

goldMedal16 out of 211 
 
Ihara Chemical Industry Co., Ltd.
 patents

Years Active: 1980-1986

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16 patents (USPTO):
1. 4563209 - Aquatic organism inhibiting composition (1986-01-07),
2. 4476318 - Process for the preparation of 1,3-propanediol bis(p-aminobenzoate) (1984-10-09),
3. 4390723 - Process for producing hydroxyphenyl aliphatic acid derivatives (1983-06-28),
4. 4367345 - Process for producing tolylthiourea having high purity (1983-01-04),
5. 4342859 - Bis(aminophenylthioalkyl)terephthalate and hardener for polyurethane (1982-08-03),
6. 4327204 - Process for producing polyurethane elastomer by mixing a hardener (1982-04-27),
7. 4307034 - Inert organic solvent dispersion of alkali hydroxide and reaction using (1981-12-22),
8. 4289916 - Process for producing p-chloroalkylbenzene (1981-09-15),
9. 4280958 - Process for producing indoline derivative (1981-07-28),
10. 4267317 - Process for producing phenoxyalkene derivative (1981-05-12),
11. 4254262 - Process for producing phenoxycarboxylic acid derivative (1981-03-03),
12. 4246425 - 4-Chloro-3,5-diaminophenyl acetates and curing agent (1981-01-20),
13. 4246392 - Method for the preparation of polyurethane elastomers based on (1981-01-20),
14. 4231963 - Process for producing aminophenol ether (1980-11-04),
15. 4212831 - Process for producing triphenylphosphine (1980-07-15),

Title: Chihiro Yazawa: Innovator in Aquatic Organism Inhibition

Introduction

Chihiro Yazawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of compositions that inhibit aquatic organisms. With a total of 16 patents to his name, Yazawa continues to push the boundaries of innovation in his field.

Latest Patents

Yazawa's latest patents include an aquatic organism inhibiting composition. This composition comprises at least one N-arylmaleimide and at least one organo-tin compound as active ingredients. The formula allows for effective inhibition of aquatic organisms, showcasing his expertise in chemical formulations. Another notable patent is the process for the preparation of 1,3-propanediol bis(p-aminobenzoate). This process involves reacting a p-aminobenzoic acid alkali metal salt with dihalogenated propane in an aprotic polar solvent, resulting in high purity and yield of the desired compound.

Career Highlights

Chihiro Yazawa is associated with Ihara Chemical Industry Co., Ltd., where he applies his innovative ideas to real-world applications. His work has garnered attention in the chemical industry, particularly for its practical implications in environmental protection and chemical manufacturing.

Collaborations

Yazawa collaborates with talented individuals such as Wataro Koike and Yoshiki Nakayama. Their combined expertise fosters a creative environment that leads to groundbreaking advancements in their respective fields.

Conclusion

Chihiro Yazawa stands out as a key figure in the realm of chemical innovation. His contributions, particularly in aquatic organism inhibition, reflect his commitment to advancing technology for environmental sustainability.

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