Growing community of inventors

Tokyo, Japan

Masahiko Handa

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 = 19

Masahiko Handa ↔ Akira Mizuno (1 patent)Masahiko Handa ↔ Iwao Kanno (1 patent)Masahiko Handa ↔ Matsutaro Murakami (1 patent)Masahiko Handa ↔ Tadasu Sugawara (1 patent)Masahiko Handa ↔ Yohjiro Toda (1 patent)Masahiko HandaMasahiko Handa (1 patent)Akira MizunoAkira Mizuno (29 patents)Iwao KannoIwao Kanno (9 patents)Matsutaro MurakamiMatsutaro Murakami (1 patent)Tadasu SugawaraTadasu Sugawara (1 patent)Yohjiro TodaYohjiro Toda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Japan Steel Works, Ltd. (1 from 410 patents)

2. Kazuo Uemura (1 from 1 patent)


1 patent:

1. 5223434 - Apparatus and method for producing and automatically injecting

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12/30/2025
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