Growing community of inventors

Tokyo, Japan

Yoshiyuki Umehara

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

Yoshiyuki Umehara ↔ Naoki Kamaya (1 patent)Yoshiyuki Umehara ↔ Tooru Akutagawa (1 patent)Yoshiyuki Umehara ↔ Kazuo Yamakawa (1 patent)Yoshiyuki Umehara ↔ Hiroshi Mamiya, Deceased (1 patent)Yoshiyuki UmeharaYoshiyuki Umehara (1 patent)Naoki KamayaNaoki Kamaya (29 patents)Tooru AkutagawaTooru Akutagawa (3 patents)Kazuo YamakawaKazuo Yamakawa (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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