Growing community of inventors

Tokyo, Japan

Kazuo Yamakawa

Average Co-Inventor Count = 5.00

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 = 69

Kazuo Yamakawa ↔ Naoki Kamaya (1 patent)Kazuo Yamakawa ↔ Tooru Akutagawa (1 patent)Kazuo Yamakawa ↔ Yoshiyuki Umehara (1 patent)Kazuo Yamakawa ↔ Hiroshi Mamiya, Deceased (1 patent)Kazuo YamakawaKazuo Yamakawa (1 patent)Naoki KamayaNaoki Kamaya (29 patents)Tooru AkutagawaTooru Akutagawa (3 patents)Yoshiyuki UmeharaYoshiyuki Umehara (1 patent)Hiroshi Mamiya, DeceasedHiroshi Mamiya, Deceased (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,130 patents)


1 patent:

1. 5537175 - Camera adaption for self photography

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