Growing community of inventors

Tokyo, Japan

Masahiro Takeshima

Average Co-Inventor Count = 4.21

ph-index = 3

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 = 402

Masahiro TakeshimaKenji Arai (3 patents)Masahiro TakeshimaMasakatsu Mori (3 patents)Masahiro TakeshimaMasahiro Ogura (3 patents)Masahiro TakeshimaTakeshi Kawahara (1 patent)Masahiro TakeshimaKazuo Tamura (1 patent)Masahiro TakeshimaMasayoshi Kondou (1 patent)Masahiro TakeshimaDai Kawarai (1 patent)Masahiro TakeshimaMasahiro Takeshima (4 patents)Kenji AraiKenji Arai (82 patents)Masakatsu MoriMasakatsu Mori (10 patents)Masahiro OguraMasahiro Ogura (3 patents)Takeshi KawaharaTakeshi Kawahara (6 patents)Kazuo TamuraKazuo Tamura (2 patents)Masayoshi KondouMasayoshi Kondou (1 patent)Dai KawaraiDai Kawarai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (4 from 42,508 patents)

2. Hitachi Engineering Services Co., Ltd. (1 from 30 patents)

3. Matrix Gmbh (1 from 14 patents)


4 patents:

1. 8248204 - Tag detecting system, moving object detecting method, and entrance/exit management system

2. 7848963 - Automatic auction method and system on server-client system

3. 7610217 - Automatic auction method and system on server-client system

4. 6044363 - Automatic auction method

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/5/2026
Loading…