Growing community of inventors

Hitachi, Japan

Youuji Ishida

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 = 19

Youuji Ishida ↔ Yasuo Matsuda (1 patent)Youuji Ishida ↔ Norikazu Tokunaga (1 patent)Youuji Ishida ↔ Hidefumi Shirahama (1 patent)Youuji Ishida ↔ Ikuo Yamato (1 patent)Youuji Ishida ↔ Mitsufumi Iwanaka (1 patent)Youuji Ishida ↔ Takeshi Nagano (1 patent)Youuji IshidaYouuji Ishida (1 patent)Yasuo MatsudaYasuo Matsuda (37 patents)Norikazu TokunagaNorikazu Tokunaga (32 patents)Hidefumi ShirahamaHidefumi Shirahama (12 patents)Ikuo YamatoIkuo Yamato (11 patents)Mitsufumi IwanakaMitsufumi Iwanaka (2 patents)Takeshi NaganoTakeshi Nagano (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,508 patents)

2. Hitachi Engineering Co., Ltd. (1 from 162 patents)


1 patent:

1. 5115386 - Circuit for controlling an electric power supply apparatus, a method

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