Growing community of inventors

Nagano, Japan

Kazuhiko Koiwai

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 = 1

Kazuhiko Koiwai ↔ Yutaka Mizumura (1 patent)Kazuhiko Koiwai ↔ Atsushi Nakajima (1 patent)Kazuhiko Koiwai ↔ Hidekazu Aoki (1 patent)Kazuhiko Koiwai ↔ Toshikazu Nishiwaki (1 patent)Kazuhiko Koiwai ↔ Shouhei Miyahara (1 patent)Kazuhiko KoiwaiKazuhiko Koiwai (1 patent)Yutaka MizumuraYutaka Mizumura (13 patents)Atsushi NakajimaAtsushi Nakajima (4 patents)Hidekazu AokiHidekazu Aoki (1 patent)Toshikazu NishiwakiToshikazu Nishiwaki (1 patent)Shouhei MiyaharaShouhei Miyahara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 6388237 - Heater cable in combination with a lead cable

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12/18/2025
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