Growing community of inventors

Amimachi, Japan

Ryoichi Imai

Average Co-Inventor Count = 1.30

ph-index = 4

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 = 55

Ryoichi ImaiJunichi Terauchi (2 patents)Ryoichi ImaiToshio Iwaya (1 patent)Ryoichi ImaiSeiichiro Satomura (1 patent)Ryoichi ImaiKanou Tanaka (1 patent)Ryoichi ImaiHideaki Nakagawa (1 patent)Ryoichi ImaiYoshio Ando (1 patent)Ryoichi ImaiYuuki Tabata (1 patent)Ryoichi ImaiRyoichi Imai (13 patents)Junichi TerauchiJunichi Terauchi (5 patents)Toshio IwayaToshio Iwaya (15 patents)Seiichiro SatomuraSeiichiro Satomura (14 patents)Kanou TanakaKanou Tanaka (10 patents)Hideaki NakagawaHideaki Nakagawa (9 patents)Yoshio AndoYoshio Ando (8 patents)Yuuki TabataYuuki Tabata (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Riso Kagaku Corporation (8 from 1,074 patents)

2. Canon Kabushiki Kaisha (4 from 90,594 patents)

3. Takata Corporation (1 from 1,161 patents)


13 patents:

1. 8636304 - Webbing-threading member and seatbelt device

2. 6525755 - Thick film thermal head

3. 6400388 - Thick film thermal head and method of making the same

4. 6330015 - Thick film thermal head

5. 6326990 - Thick film thermal head and method of manufacturing the same

6. 6315395 - Ink jet apparatus and conductive ink mixture

7. 6219080 - Thick film thermal head

8. 6215510 - Thick film type thermal head

9. 5713275 - Stencil printing machine

10. 5159692 - Image file system with multiple control image transfer between first and

11. 5137347 - Information retrieval apparatus

12. 4825065 - Apparatus for reading image recorded on film

13. 4762985 - Auto-focus apparatus applied to image reading apparatus and the like

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as of
12/7/2025
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