Growing community of inventors

Funabashi, Japan

Tetsuya Narita

Average Co-Inventor Count = 1.37

ph-index = 9

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 = 455

Tetsuya NaritaRyo Igarashi (2 patents)Tetsuya NaritaNobuyuki Kojima (1 patent)Tetsuya NaritaHiroshi Masunaga (1 patent)Tetsuya NaritaRyou Igarashi (1 patent)Tetsuya NaritaKen Nakayama (1 patent)Tetsuya NaritaNaoki Numa (1 patent)Tetsuya NaritaMakoto Takahashi (1 patent)Tetsuya NaritaTomokazu Kakuta (1 patent)Tetsuya NaritaAkira Kiyoku (1 patent)Tetsuya NaritaTetsuya Narita (10 patents)Ryo IgarashiRyo Igarashi (61 patents)Nobuyuki KojimaNobuyuki Kojima (45 patents)Hiroshi MasunagaHiroshi Masunaga (21 patents)Ryou IgarashiRyou Igarashi (18 patents)Ken NakayamaKen Nakayama (14 patents)Naoki NumaNaoki Numa (4 patents)Makoto TakahashiMakoto Takahashi (1 patent)Tomokazu KakutaTomokazu Kakuta (1 patent)Akira KiyokuAkira Kiyoku (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Okamura Corporation (10 from 421 patents)


10 patents:

1. 8991931 - Furniture cloth and chair

2. 7837272 - Chair and the structure for stretching a mesh over an element of the chair

3. 6942300 - Structure for mounting a net member to a frame for a seat or backrest of a chair

4. 5743193 - Table with an elevating panel, an elevating table and a combination

5. D345867 - Chair

6. D345470 - Chair

7. D345260 - Chair

8. D345259 - Chair

9. D322363 - Chair

10. D319739 - Armchair

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as of
12/17/2025
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