Growing community of inventors

Yokohama, Japan

Kihachiro Igarashi

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 = 8

Kihachiro Igarashi ↔ Yasuyuki Nakabayashi (1 patent)Kihachiro Igarashi ↔ Hayami Ito (1 patent)Kihachiro Igarashi ↔ Chiaki Nagai (1 patent)Kihachiro Igarashi ↔ Takashi Ikeda (1 patent)Kihachiro Igarashi ↔ Kunihiko Mouri (1 patent)Kihachiro IgarashiKihachiro Igarashi (1 patent)Yasuyuki NakabayashiYasuyuki Nakabayashi (9 patents)Hayami ItoHayami Ito (6 patents)Chiaki NagaiChiaki Nagai (2 patents)Takashi IkedaTakashi Ikeda (1 patent)Kunihiko MouriKunihiko Mouri (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Jukogyo Kabushiki Kaisha (1 from 3,333 patents)

2. Electric Power Development Co., Ltd. (1 from 44 patents)


1 patent:

1. 4288420 - Removal of nitrogen oxides and sulfur oxides by ammonia

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1/8/2026
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