Growing community of inventors

Ibaraki, Japan

Harumasa Okamoto

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 = 0

Harumasa Okamoto ↔ Yoshihisa Suda (1 patent)Harumasa Okamoto ↔ Hiroko Kaneko (1 patent)Harumasa Okamoto ↔ Kunitaka Yamada (1 patent)Harumasa Okamoto ↔ Kaoru Katoh (1 patent)Harumasa OkamotoHarumasa Okamoto (1 patent)Yoshihisa SudaYoshihisa Suda (41 patents)Hiroko KanekoHiroko Kaneko (18 patents)Kunitaka YamadaKunitaka Yamada (12 patents)Kaoru KatohKaoru Katoh (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Pencil Company, Limited (1 from 384 patents)

2. Kaora Katoh (1 from 1 patent)

3. Hiroko Kaneko (1 from 1 patent)


1 patent:

1. 8163556 - Method of cell culture observation, carbon substrate for cell culture observation, and method for manufacture thereof

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as of
1/10/2026
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