Growing community of inventors

Tochigi, Japan

Norifumi Hirao

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 = 0

Norifumi Hirao ↔ Takayuki Motojima (1 patent)Norifumi Hirao ↔ Motoki Uchikawa (1 patent)Norifumi Hirao ↔ Tomoyoshi Miyagi (1 patent)Norifumi Hirao ↔ Kaname Goto (1 patent)Norifumi HiraoNorifumi Hirao (1 patent)Takayuki MotojimaTakayuki Motojima (7 patents)Motoki UchikawaMotoki Uchikawa (5 patents)Tomoyoshi MiyagiTomoyoshi Miyagi (2 patents)Kaname GotoKaname Goto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (1 from 21,862 patents)


1 patent:

1. 8167781 - Multi-spindle head exchangeable machine tool

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12/15/2025
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