Growing community of inventors

Tokyo, Japan

Kohei Kubota

Average Co-Inventor Count = 3.05

ph-index = 1

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 = 3

Kohei KubotaTakehito Masubuchi (2 patents)Kohei KubotaShinji Takeoka (1 patent)Kohei KubotaKazuo Hirano (1 patent)Kohei KubotaTaiji Kambayashi (1 patent)Kohei KubotaToshitake Nagai (1 patent)Kohei KubotaYosuke Obata (1 patent)Kohei KubotaYosuke Okamura (1 patent)Kohei KubotaShuji Hisamoto (1 patent)Kohei KubotaKoiti Nagata (1 patent)Kohei KubotaYasumasa Sugiyama (1 patent)Kohei KubotaHideo Kanazawa (1 patent)Kohei KubotaHaruhiko Tanaka (1 patent)Kohei KubotaKohei Kubota (4 patents)Takehito MasubuchiTakehito Masubuchi (4 patents)Shinji TakeokaShinji Takeoka (33 patents)Kazuo HiranoKazuo Hirano (23 patents)Taiji KambayashiTaiji Kambayashi (12 patents)Toshitake NagaiToshitake Nagai (10 patents)Yosuke ObataYosuke Obata (5 patents)Yosuke OkamuraYosuke Okamura (4 patents)Shuji HisamotoShuji Hisamoto (1 patent)Koiti NagataKoiti Nagata (1 patent)Yasumasa SugiyamaYasumasa Sugiyama (1 patent)Hideo KanazawaHideo Kanazawa (1 patent)Haruhiko TanakaHaruhiko Tanaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (2 from 21,831 patents)

2. Sanyo Electric Co., Ltd. (1 from 8,776 patents)

3. Waseda University (1 from 158 patents)

4. Tonen Corporation (1 from 141 patents)

5. Jcr Pharmaceuticals Co., Ltd. (1 from 80 patents)

6. Tonen Chemical Corporation (1 from 47 patents)

7. Osaka Organic Chemical Industry Co., Ltd. (1 from 9 patents)

8. Miura Dolphins Co., Ltd. (1 from 6 patents)

9. Ohtsuka; Masahisa (1 from 1 patent)


4 patents:

1. 11932075 - Suspension device

2. 11623489 - Suspension device

3. 8647613 - Drug carrier

4. 5261245 - Method for making ice slab and/or artificial snow

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as of
12/6/2025
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