Growing community of inventors

Katsuta, Japan

Hirochika Okano

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 = 4

Hirochika OkanoShigenobu Katagiri (1 patent)Hirochika OkanoMitsugu Asano (1 patent)Hirochika OkanoMasami Ishikawa (1 patent)Hirochika OkanoToshiaki Fujieda (1 patent)Hirochika OkanoHirochika Okano (1 patent)Shigenobu KatagiriShigenobu Katagiri (16 patents)Mitsugu AsanoMitsugu Asano (5 patents)Masami IshikawaMasami Ishikawa (4 patents)Toshiaki FujiedaToshiaki Fujieda (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Koki Co., Ltd. (1 from 1,267 patents)


1 patent:

1. 4254705 - Printing magnet drive device

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1/18/2026
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