Growing community of inventors

Osaka, Japan

Kazumasa Yoshikawa

Average Co-Inventor Count = 2.28

ph-index = 11

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 = 476

Kazumasa YoshikawaToshikazu Kayano (4 patents)Kazumasa YoshikawaKatsuhiko Uno (3 patents)Kazumasa YoshikawaWataru Ueda (1 patent)Kazumasa YoshikawaSeiji Kubo (1 patent)Kazumasa YoshikawaNoriyuki Murai (1 patent)Kazumasa YoshikawaShinji Senda (1 patent)Kazumasa YoshikawaToshikazu Ujishima (1 patent)Kazumasa YoshikawaNobutane Inoue (1 patent)Kazumasa YoshikawaHiroshi Nozu (1 patent)Kazumasa YoshikawaToshimi Takatani (1 patent)Kazumasa YoshikawaKazumasa Yoshikawa (11 patents)Toshikazu KayanoToshikazu Kayano (47 patents)Katsuhiko UnoKatsuhiko Uno (4 patents)Wataru UedaWataru Ueda (9 patents)Seiji KuboSeiji Kubo (6 patents)Noriyuki MuraiNoriyuki Murai (4 patents)Shinji SendaShinji Senda (4 patents)Toshikazu UjishimaToshikazu Ujishima (4 patents)Nobutane InoueNobutane Inoue (2 patents)Hiroshi NozuHiroshi Nozu (2 patents)Toshimi TakataniToshimi Takatani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asics Corporation (11 from 509 patents)


11 patents:

1. D522229 - Pair of shoe midsoles

2. D514286 - Pair of shoe outsoles

3. D513115 - Pair of shoe midsoles

4. D509351 - Shoe midsole

5. D374337 - Shoe sole

6. D373897 - Shoe sole

7. D373012 - Shoe sole

8. D366354 - Shoe sole

9. D355527 - Shoe heel protector

10. D350638 - Shoe sole

11. D339459 - Shoe sole

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as of
12/20/2025
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