Growing community of inventors

Saint Paul, MN, United States of America

Arthur K Kato

Average Co-Inventor Count = 4.44

ph-index = 1

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 = 41

Arthur K Kato ↔ Vurnen J Leonard (2 patents)Arthur K Kato ↔ Osamu Koizumi (1 patent)Arthur K Kato ↔ Osamu Sakurai (1 patent)Arthur K Kato ↔ Yutaka Soda (1 patent)Arthur K Kato ↔ Keisuke Fujiwara (1 patent)Arthur K Kato ↔ Kiyoshi Ohmori (1 patent)Arthur K KatoArthur K Kato (2 patents)Vurnen J LeonardVurnen J Leonard (6 patents)Osamu KoizumiOsamu Koizumi (24 patents)Osamu SakuraiOsamu Sakurai (5 patents)Yutaka SodaYutaka Soda (1 patent)Keisuke FujiwaraKeisuke Fujiwara (1 patent)Kiyoshi OhmoriKiyoshi Ohmori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. 3M Innovative Properties Company (2 from 22,081 patents)

2. Sony Corporation (1 from 58,132 patents)


2 patents:

1. D307893 - Magnetic recording disk cartridge

2. 4875128 - Disc cartridge

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1/22/2026
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