Growing community of inventors

Numazu, Japan

Shigeharu Oka

Average Co-Inventor Count = 7.00

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 = 66

Shigeharu Oka ↔ Koji Suzuki (1 patent)Shigeharu Oka ↔ Tsutomu Araki (1 patent)Shigeharu Oka ↔ Kiyoteru Kosa (1 patent)Shigeharu Oka ↔ Daisuke Ogino (1 patent)Shigeharu Oka ↔ Shinichi Karasawa (1 patent)Shigeharu Oka ↔ Kenichi Kohari (1 patent)Shigeharu OkaShigeharu Oka (1 patent)Koji SuzukiKoji Suzuki (143 patents)Tsutomu ArakiTsutomu Araki (7 patents)Kiyoteru KosaKiyoteru Kosa (4 patents)Daisuke OginoDaisuke Ogino (1 patent)Shinichi KarasawaShinichi Karasawa (1 patent)Kenichi KohariKenichi Kohari (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toshiba Lighting & Technology Corporation (1 from 662 patents)


1 patent:

1. 7360927 - Electronic apparatus and lighting device

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/9/2025
Loading…