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Ibaraki, Japan

Sigenobu Katagiri

Average Co-Inventor Count = 8.00

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 = 7

Sigenobu Katagiri ↔ Isao Nakajima (1 patent)Sigenobu Katagiri ↔ Toshitaka Ogawa (1 patent)Sigenobu Katagiri ↔ Yasuo Kikuchi (1 patent)Sigenobu Katagiri ↔ Tomio Sugaya (1 patent)Sigenobu Katagiri ↔ Osamu Namikawa (1 patent)Sigenobu Katagiri ↔ Shigeo Nemoto (1 patent)Sigenobu Katagiri ↔ Kiyomi Tsuchiya (1 patent)Sigenobu KatagiriSigenobu Katagiri (1 patent)Isao NakajimaIsao Nakajima (37 patents)Toshitaka OgawaToshitaka Ogawa (19 patents)Yasuo KikuchiYasuo Kikuchi (16 patents)Tomio SugayaTomio Sugaya (10 patents)Osamu NamikawaOsamu Namikawa (9 patents)Shigeo NemotoShigeo Nemoto (4 patents)Kiyomi TsuchiyaKiyomi Tsuchiya (1 patent)
..
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. 4961704 - Sheet meandering movement preventing method

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