Growing community of inventors

Kawasaki, Japan

Toshihiko Takagi

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 = 7

Toshihiko Takagi ↔ Tsutomu Hara (1 patent)Toshihiko Takagi ↔ Yoshiji Suzuki (1 patent)Toshihiko Takagi ↔ Yoshikazu Kobayashi (1 patent)Toshihiko TakagiToshihiko Takagi (1 patent)Tsutomu HaraTsutomu Hara (23 patents)Yoshiji SuzukiYoshiji Suzuki (9 patents)Yoshikazu KobayashiYoshikazu Kobayashi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Columbia Kabushiki Kaisha (1 from 20 patents)


1 patent:

1. 4519064 - Optical record disc

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12/20/2025
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