Growing community of inventors

Tokyo, Japan

Akihiro Takeyama

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 = 2

Akihiro Takeyama ↔ Hitoshi Kamura (1 patent)Akihiro Takeyama ↔ Hiroki Tamura (1 patent)Akihiro Takeyama ↔ Naoki Yamazaki (1 patent)Akihiro Takeyama ↔ Tetsuo Maeda (1 patent)Akihiro TakeyamaAkihiro Takeyama (1 patent)Hitoshi KamuraHitoshi Kamura (51 patents)Hiroki TamuraHiroki Tamura (21 patents)Naoki YamazakiNaoki Yamazaki (10 patents)Tetsuo MaedaTetsuo Maeda (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)

2. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (1 from 1,625 patents)


1 patent:

1. 5588410 - Air-fuel ratio control method

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/21/2025
Loading…