Growing community of inventors

Tokyo, Japan

Koji Kubota

Average Co-Inventor Count = 3.00

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 = 98

Koji KubotaHiroshi Takahashi (3 patents)Koji KubotaHiroshi Mashimo (3 patents)Koji KubotaNaoya Noguchi (3 patents)Koji KubotaRyoji Matsubara (3 patents)Koji KubotaHideaki Murakami (3 patents)Koji KubotaTakao Inobe (3 patents)Koji KubotaKazutaka Kawahara (3 patents)Koji KubotaKazumasa Miyamoto (3 patents)Koji KubotaYasuyuki Ohira (3 patents)Koji KubotaKenichi Ohtani (3 patents)Koji KubotaTetsuaki Kondo (3 patents)Koji KubotaHisashi Ezure (3 patents)Koji KubotaAkira Kuno (3 patents)Koji KubotaMasaya Yamada (3 patents)Koji KubotaAkihiko Takiguchi (3 patents)Koji KubotaSatoshi Moteki (3 patents)Koji KubotaHarutada Ooya (3 patents)Koji KubotaKazuha Ikebukuro (2 patents)Koji KubotaShuji Kurita (2 patents)Koji KubotaTatsuya Yokoyama (1 patent)Koji KubotaNaoyuki Moriya (1 patent)Koji KubotaYukiko Moriya (1 patent)Koji KubotaKoji Kubota (8 patents)Hiroshi TakahashiHiroshi Takahashi (39 patents)Hiroshi MashimoHiroshi Mashimo (17 patents)Naoya NoguchiNaoya Noguchi (7 patents)Ryoji MatsubaraRyoji Matsubara (6 patents)Hideaki MurakamiHideaki Murakami (3 patents)Takao InobeTakao Inobe (3 patents)Kazutaka KawaharaKazutaka Kawahara (3 patents)Kazumasa MiyamotoKazumasa Miyamoto (3 patents)Yasuyuki OhiraYasuyuki Ohira (3 patents)Kenichi OhtaniKenichi Ohtani (3 patents)Tetsuaki KondoTetsuaki Kondo (3 patents)Hisashi EzureHisashi Ezure (3 patents)Akira KunoAkira Kuno (3 patents)Masaya YamadaMasaya Yamada (3 patents)Akihiko TakiguchiAkihiko Takiguchi (3 patents)Satoshi MotekiSatoshi Moteki (3 patents)Harutada OoyaHarutada Ooya (3 patents)Kazuha IkebukuroKazuha Ikebukuro (2 patents)Shuji KuritaShuji Kurita (2 patents)Tatsuya YokoyamaTatsuya Yokoyama (18 patents)Naoyuki MoriyaNaoyuki Moriya (13 patents)Yukiko MoriyaYukiko Moriya (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nabtesco Corporation (3 from 379 patents)

2. Public Works Research Institute, Ministry of Construction (3 from 5 patents)

3. Koyo Sealing Techno Co., Ltd. (2 from 10 patents)

4. Fuji Photo Film Company, Limited (1 from 16,458 patents)

5. Aureo Co., Ltd. (1 from 3 patents)


8 patents:

1. 12320408 - Rotary feedthrough and robot

2. 10247308 - Hermetic seal device

3. 9702463 - Seal device

4. 8183031 - Composition containing β-glucan, method of producing the same and foods, drinks or skin moisturizers containing the composition

5. 6874687 - Apparatus and method for color balance adjustment in image sensing apparatus

6. 6459991 - Collision in right/left turn prevention system

7. 6360171 - Bumping prevention system

8. 6337637 - Collision with pedestrian prevention system

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as of
12/12/2025
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