Growing community of inventors

Osaka, Japan

Takehisa Nakagawa

Average Co-Inventor Count = 1.85

ph-index = 7

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 = 133

Takehisa NakagawaKeiko Matoba (3 patents)Takehisa NakagawaChikako Hatta (3 patents)Takehisa NakagawaMitsutaka Huke (3 patents)Takehisa NakagawaKouji Nishida (1 patent)Takehisa NakagawaTakehisa Nakagawa (8 patents)Keiko MatobaKeiko Matoba (7 patents)Chikako HattaChikako Hatta (3 patents)Mitsutaka HukeMitsutaka Huke (3 patents)Kouji NishidaKouji Nishida (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Corporation (7 from 847 patents)

2. Sharp Kabushiki Kaisha Corporation (1 from 25,543 patents)


8 patents:

1. D390411 - Microwave oven

2. D308730 - Desk lamp

3. D308346 - Remote controller for scale

4. D308345 - Scale

5. D308344 - Scale

6. D297701 - Hot plate

7. D296975 - Electrically heated vacuum bottle

8. D292469 - Toaster oven

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idiyas.com
as of
12/19/2025
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