Growing community of inventors

Mentor, OH, United States of America

Katsumi Hayashi

Average Co-Inventor Count = 1.42

ph-index = 10

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 353

Katsumi HayashiCasper J Dorer (6 patents)Katsumi HayashiCurtis R Scharf (2 patents)Katsumi HayashiGregory A Lentz (2 patents)Katsumi HayashiT Robert Hopkins (2 patents)Katsumi HayashiKatsumi Hayashi (18 patents)Casper J DorerCasper J Dorer (14 patents)Curtis R ScharfCurtis R Scharf (17 patents)Gregory A LentzGregory A Lentz (3 patents)T Robert HopkinsT Robert Hopkins (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Lubrizol Corporation (15 from 1,305 patents)

2. Other (1 from 832,718 patents)

3. Intera Company, Ltd. (1 from 3 patents)

4. Intera Company, Ltd., a Tennessee Limited Partnership (1 from 1 patent)


18 patents:

1. 5429758 - Graft copolymers prepared from solvent-free reactions and dispersant

2. 4921890 - Process for improving polymer substrate properties, and flame retardancy

3. 4726968 - Process for improving polymer substrate properties, and modified

4. 4670173 - Oil-soluble reaction products of an acylated reaction product, a

5. 4623684 - Hydrocarbyl substituted carboxylic acylating agent derivative containing

6. 4613342 - Hydrocarbyl substituted carboxylic acylating agent derivative containing

7. 4596663 - Carboxylic acylating agents substituted with olefin polymers of high

8. 4575526 - Hydrocarbyl substituted carboxylic acylaging agent derivative containing

9. 4566983 - Combination of carboxylic acylating agents substituted with olefin

10. 4565550 - Hydrocarbyl substituted carboxylic acylating agent derivative containing

11. 4564460 - Hydrocarbyl-substituted carboxylic acylating agent derivative containing

12. 4559155 - Hydrocarbyl substituted carboxylic acylating agent derivative containing

13. 4509955 - Combinations of carboxylic acylating agents substituted with olefin

14. 4489194 - Carboxylic acylating agents substituted with olefin polymers of high/low

15. 4486573 - Carboxylic acylating agents substituted with olefin polymers of high

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as of
12/15/2025
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