Growing community of inventors

Tokyo, Japan

Eiji Sugaya

Average Co-Inventor Count = 2.70

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 = 54

Eiji SugayaMasaru Akiba (5 patents)Eiji SugayaHiroyasu Suzue (4 patents)Eiji SugayaMasayuki Watanabe (3 patents)Eiji SugayaTomoyoshi Tsurufuji (3 patents)Eiji SugayaHideyuki Naitou (3 patents)Eiji SugayaFutoshi Nishikawa (3 patents)Eiji SugayaHiroyuki Mori (2 patents)Eiji SugayaHiroshi Hashimoto (2 patents)Eiji SugayaShoichi Koganei (2 patents)Eiji SugayaIsao Ohta (2 patents)Eiji SugayaTomoyoshi Turufuji (2 patents)Eiji SugayaHiroyuki Ono (1 patent)Eiji SugayaShunji Sunaga (1 patent)Eiji SugayaMamoru Koike (1 patent)Eiji SugayaTakahito Noda (1 patent)Eiji SugayaAtsushi Saitou (1 patent)Eiji SugayaMitsuo Imai (1 patent)Eiji SugayaToshiaki Esashika (1 patent)Eiji SugayaMichinori Ninomiya (1 patent)Eiji SugayaAtushi Saitou (1 patent)Eiji SugayaEiji Sugaya (12 patents)Masaru AkibaMasaru Akiba (56 patents)Hiroyasu SuzueHiroyasu Suzue (8 patents)Masayuki WatanabeMasayuki Watanabe (45 patents)Tomoyoshi TsurufujiTomoyoshi Tsurufuji (27 patents)Hideyuki NaitouHideyuki Naitou (4 patents)Futoshi NishikawaFutoshi Nishikawa (3 patents)Hiroyuki MoriHiroyuki Mori (99 patents)Hiroshi HashimotoHiroshi Hashimoto (78 patents)Shoichi KoganeiShoichi Koganei (4 patents)Isao OhtaIsao Ohta (4 patents)Tomoyoshi TurufujiTomoyoshi Turufuji (2 patents)Hiroyuki OnoHiroyuki Ono (19 patents)Shunji SunagaShunji Sunaga (8 patents)Mamoru KoikeMamoru Koike (7 patents)Takahito NodaTakahito Noda (5 patents)Atsushi SaitouAtsushi Saitou (4 patents)Mitsuo ImaiMitsuo Imai (1 patent)Toshiaki EsashikaToshiaki Esashika (1 patent)Michinori NinomiyaMichinori Ninomiya (1 patent)Atushi SaitouAtushi Saitou (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Globeride, Inc. (6 from 231 patents)

2. Daiwa Seiko, Inc. (5 from 602 patents)

3. Ngb Corporation (1 from 6 patents)


12 patents:

1. 10463031 - Fixing structure for fishing line guide, and fishing rod

2. 10085433 - Tip rod and fishing rod having the same

3. 9930873 - Fishline guide

4. 9510573 - Fishing rod with tubular fixing member

5. 8813415 - Fishing line guide and method of manufacturing fishing line guide

6. 8387302 - Fishline guide

7. 8047935 - Sporting pipe

8. 6233862 - Interline fishing rod

9. 6192615 - Intraline fishing rod

10. 6108959 - Interline fishing rod

11. 6088947 - Member for fishing or sport tool

12. 5076004 - Fishing rod and production method thereof

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idiyas.com
as of
1/5/2026
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