Growing community of inventors

Kamakura, Japan

Hiroki Yamamoto

Average Co-Inventor Count = 6.00

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

Hiroki Yamamoto ↔ Masamitsu Itoh (1 patent)Hiroki Yamamoto ↔ Shoji Mimotogi (1 patent)Hiroki Yamamoto ↔ Hideki Kanai (1 patent)Hiroki Yamamoto ↔ Osamu Ikenaga (1 patent)Hiroki Yamamoto ↔ Yukiyasu Arisawa (1 patent)Hiroki YamamotoHiroki Yamamoto (1 patent)Masamitsu ItohMasamitsu Itoh (67 patents)Shoji MimotogiShoji Mimotogi (40 patents)Hideki KanaiHideki Kanai (17 patents)Osamu IkenagaOsamu Ikenaga (14 patents)Yukiyasu ArisawaYukiyasu Arisawa (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (1 from 52,766 patents)


1 patent:

1. 7912275 - Method of evaluating a photo mask and method of manufacturing a semiconductor device

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1/10/2026
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