Growing community of inventors

Tokyo, Japan

Osamu Tokunaga

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 = 1

Osamu Tokunaga ↔ Tomoki Ohkawa (1 patent)Osamu Tokunaga ↔ Naoyuki Uramatsu (1 patent)Osamu Tokunaga ↔ Toshiyuki Yamasaki (1 patent)Osamu Tokunaga ↔ Wataru Negishi (1 patent)Osamu TokunagaOsamu Tokunaga (1 patent)Tomoki OhkawaTomoki Ohkawa (5 patents)Naoyuki UramatsuNaoyuki Uramatsu (5 patents)Toshiyuki YamasakiToshiyuki Yamasaki (1 patent)Wataru NegishiWataru Negishi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Corporation (1 from 2,646 patents)


1 patent:

1. 8001095 - Method of updating a version of an application program

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12/11/2025
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