Growing community of inventors

Tokyo, Japan

Izumi Kumazawa

Average Co-Inventor Count = 4.00

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

Izumi Kumazawa ↔ Kazuharu Imafuji (1 patent)Izumi Kumazawa ↔ Akihiro Ozone (1 patent)Izumi Kumazawa ↔ Keiko Tsuchiya (1 patent)Izumi KumazawaIzumi Kumazawa (1 patent)Kazuharu ImafujiKazuharu Imafuji (51 patents)Akihiro OzoneAkihiro Ozone (6 patents)Keiko TsuchiyaKeiko Tsuchiya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikon Corporation (1 from 8,891 patents)


1 patent:

1. 8773579 - Accessory controlled by camera and camera that controls accessory

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12/12/2025
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