Growing community of inventors

Akishima, Japan

Tadao Koyama

Average Co-Inventor Count = 7.00

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 = 1

Tadao Koyama ↔ Nobufumi Mori (1 patent)Tadao Koyama ↔ Katsuaki Muraishi (1 patent)Tadao Koyama ↔ Masahiro Ohnishi (1 patent)Tadao Koyama ↔ Terumi Matsuda (1 patent)Tadao Koyama ↔ Tetsuo Oikawa (1 patent)Tadao Koyama ↔ Hiromi Nunome (1 patent)Tadao KoyamaTadao Koyama (1 patent)Nobufumi MoriNobufumi Mori (46 patents)Katsuaki MuraishiKatsuaki Muraishi (29 patents)Masahiro OhnishiMasahiro Ohnishi (27 patents)Terumi MatsudaTerumi Matsuda (23 patents)Tetsuo OikawaTetsuo Oikawa (9 patents)Hiromi NunomeHiromi Nunome (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (1 from 16,458 patents)


1 patent:

1. 4928016 - Magazine for accommodating recording medium for electron microscope

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as of
12/7/2025
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