Growing community of inventors

Tokyo, Japan

Hitoshi Niwa

Average Co-Inventor Count = 2.60

ph-index = 8

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 = 310

Hitoshi NiwaYoshikazu Kojima (6 patents)Hitoshi NiwaHiroaki Takasu (6 patents)Hitoshi NiwaKunihiro Takahashi (6 patents)Hitoshi NiwaNobuyoshi Matsuyama (6 patents)Hitoshi NiwaTsuneo Yamazaki (5 patents)Hitoshi NiwaTomoyuki Yoshino (5 patents)Hitoshi NiwaYutaka Hayashi (1 patent)Hitoshi NiwaMasaaki Kamiya (1 patent)Hitoshi NiwaHarutoshi Terasawa (1 patent)Hitoshi NiwaTeru Hayashi (1 patent)Hitoshi NiwaYomoyuki Yoshino (1 patent)Hitoshi NiwaHitoshi Niwa (10 patents)Yoshikazu KojimaYoshikazu Kojima (73 patents)Hiroaki TakasuHiroaki Takasu (64 patents)Kunihiro TakahashiKunihiro Takahashi (24 patents)Nobuyoshi MatsuyamaNobuyoshi Matsuyama (7 patents)Tsuneo YamazakiTsuneo Yamazaki (22 patents)Tomoyuki YoshinoTomoyuki Yoshino (15 patents)Yutaka HayashiYutaka Hayashi (42 patents)Masaaki KamiyaMasaaki Kamiya (40 patents)Harutoshi TerasawaHarutoshi Terasawa (4 patents)Teru HayashiTeru Hayashi (1 patent)Yomoyuki YoshinoYomoyuki Yoshino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Instruments Inc (6 from 2,899 patents)

2. Subaru Corporation (2 from 2,091 patents)

3. Nihon Kohden Corporation (2 from 557 patents)

4. Other (1 from 832,912 patents)

5. Agency Industrial Science (1 from 1 patent)


10 patents:

1. 12351165 - Vehicle system for detecting level differences and implementing override control mechanisms

2. 11835035 - Rectifying device

3. 5957840 - Pinch device for detecting a biomedical signal

4. 5728591 - Process for manufacturing light valve device using semiconductive

5. 5618739 - Method of making light valve device using semiconductive composite

6. 5585304 - Method of making semiconductor device with multiple transparent layers

7. 5572045 - Light valve device using semiconductive composite substrate

8. 5486708 - Light valve device using semiconductive composite substrate

9. 5347154 - Light valve device using semiconductive composite substrate

10. 5132582 - Recording medium transferring apparatus and vibrating element used

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as of
1/7/2026
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