Growing community of inventors

Gunma, Japan

Hitoshi Takagishi

Average Co-Inventor Count = 7.00

ph-index = 2

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 = 11

Hitoshi Takagishi ↔ Noriaki Sakamoto (2 patents)Hitoshi Takagishi ↔ Yoshiyuki Kobayashi (2 patents)Hitoshi Takagishi ↔ Kouji Takahashi (2 patents)Hitoshi Takagishi ↔ Eiju Maehara (2 patents)Hitoshi Takagishi ↔ Noriyasu Sakai (2 patents)Hitoshi Takagishi ↔ Kazuhisa Kusano (2 patents)Hitoshi TakagishiHitoshi Takagishi (2 patents)Noriaki SakamotoNoriaki Sakamoto (82 patents)Yoshiyuki KobayashiYoshiyuki Kobayashi (46 patents)Kouji TakahashiKouji Takahashi (40 patents)Eiju MaeharaEiju Maehara (33 patents)Noriyasu SakaiNoriyasu Sakai (8 patents)Kazuhisa KusanoKazuhisa Kusano (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (2 from 8,782 patents)


2 patents:

1. 7042087 - Hybrid integrated circuit device

2. 6624511 - Hybrid integrated circuit device

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as of
1/10/2026
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