Growing community of inventors

Hiroshima, Japan

Tetsuyuki Doi

Average Co-Inventor Count = 2.10

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 = 231

Tetsuyuki DoiMasakazu Sakamoto (6 patents)Tetsuyuki DoiEtsuo Hiraishi (5 patents)Tetsuyuki DoiKenso Maehara (4 patents)Tetsuyuki DoiTakeshi Shohoji (3 patents)Tetsuyuki DoiKoji Ishii (2 patents)Tetsuyuki DoiYusaku Kitamura (2 patents)Tetsuyuki DoiToshiaki Saito (1 patent)Tetsuyuki DoiHideo Aoyama (1 patent)Tetsuyuki DoiKatsushi Hirokawa (1 patent)Tetsuyuki DoiYutaka Fujii (1 patent)Tetsuyuki DoiTakahiko Shinmoto (1 patent)Tetsuyuki DoiTomohiro Shigekawa (1 patent)Tetsuyuki DoiHideki Kawakami (1 patent)Tetsuyuki DoiMasaharu Nouma (1 patent)Tetsuyuki DoiNobuaki Nakamoto (1 patent)Tetsuyuki DoiHiroshi Morikawa (1 patent)Tetsuyuki DoiTetsuyuki Doi (28 patents)Masakazu SakamotoMasakazu Sakamoto (61 patents)Etsuo HiraishiEtsuo Hiraishi (30 patents)Kenso MaeharaKenso Maehara (13 patents)Takeshi ShohojiTakeshi Shohoji (29 patents)Koji IshiiKoji Ishii (31 patents)Yusaku KitamuraYusaku Kitamura (3 patents)Toshiaki SaitoToshiaki Saito (32 patents)Hideo AoyamaHideo Aoyama (16 patents)Katsushi HirokawaKatsushi Hirokawa (10 patents)Yutaka FujiiYutaka Fujii (9 patents)Takahiko ShinmotoTakahiko Shinmoto (8 patents)Tomohiro ShigekawaTomohiro Shigekawa (6 patents)Hideki KawakamiHideki Kawakami (5 patents)Masaharu NoumaMasaharu Nouma (2 patents)Nobuaki NakamotoNobuaki Nakamoto (1 patent)Hiroshi MorikawaHiroshi Morikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ryobi Limited (26 from 546 patents)

2. Taiyo Electric Ind. Co., Ltd. (2 from 7 patents)


28 patents:

1. D602793 - Flowmeter

2. D530168 - Soldering iron

3. D341155 - Offset printing machine

4. D332797 - Offset printing machine

5. D332464 - Offset printing machine

6. D324876 - Offset printing machine

7. D324696 - Offset printing machine

8. D324537 - Offset printing machine

9. D324538 - Offset printing machine

10. D323844 - Offset printing machine

11. D321000 - Offset printing machine

12. D302173 - Numbering machine

13. D300843 - Fishing reel

14. D300842 - Fishing reel

15. D300055 - Fishing reel

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idiyas.com
as of
12/16/2025
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