Growing community of inventors

Tokyo, Japan

Takeshi Ohyama

Average Co-Inventor Count = 2.18

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 = 39

Takeshi OhyamaGontaro Kitazumi (2 patents)Takeshi OhyamaAkihiro Yamada (1 patent)Takeshi OhyamaMasanori Naritomi (1 patent)Takeshi OhyamaHajime Maruta (1 patent)Takeshi OhyamaKenji Nakamura (1 patent)Takeshi OhyamaShin-ichi Nagamura (1 patent)Takeshi OhyamaShingo Fujishima (1 patent)Takeshi OhyamaKazuhisa Terasaki (1 patent)Takeshi OhyamaTakeshi Ohyama (4 patents)Gontaro KitazumiGontaro Kitazumi (3 patents)Akihiro YamadaAkihiro Yamada (45 patents)Masanori NaritomiMasanori Naritomi (35 patents)Hajime MarutaHajime Maruta (2 patents)Kenji NakamuraKenji Nakamura (1 patent)Shin-ichi NagamuraShin-ichi Nagamura (1 patent)Shingo FujishimaShingo Fujishima (1 patent)Kazuhisa TerasakiKazuhisa Terasaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oki Electric Industry Co., Ltd. (1 from 4,979 patents)

2. Where, Inc. (1 from 4 patents)

3. Itx E-globaledge Corporation (1 from 1 patent)

4. Link Evolution Co., Ltd. (1 from 1 patent)


4 patents:

1. 10849047 - Beacon

2. 7218953 - Infrared communication adapter

3. 6876354 - Keyboard type input device and portable information processor

4. 5874901 - Electronic equipment

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as of
12/11/2025
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