Growing community of inventors

Tokyo, Japan

Katsuya Masaki

Average Co-Inventor Count = 3.36

ph-index = 2

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 = 10

Katsuya Masaki ↔ Satoshi Kuroda (2 patents)Katsuya Masaki ↔ Ryo Nagai (2 patents)Katsuya Masaki ↔ Tomoaki Sakiyama (2 patents)Katsuya Masaki ↔ Seisuke Tsurumi (2 patents)Katsuya Masaki ↔ Daito Tanimoto (2 patents)Katsuya Masaki ↔ Mikiharu Kobayashi (1 patent)Katsuya Masaki ↔ Motoshi Shibuya (1 patent)Katsuya Masaki ↔ Yuka Saeki (1 patent)Katsuya Masaki ↔ Masayuki Hatakenaka (1 patent)Katsuya Masaki ↔ Masahiro Ootake (1 patent)Katsuya MasakiKatsuya Masaki (6 patents)Satoshi KurodaSatoshi Kuroda (56 patents)Ryo NagaiRyo Nagai (36 patents)Tomoaki SakiyamaTomoaki Sakiyama (6 patents)Seisuke TsurumiSeisuke Tsurumi (3 patents)Daito TanimotoDaito Tanimoto (2 patents)Mikiharu KobayashiMikiharu Kobayashi (20 patents)Motoshi ShibuyaMotoshi Shibuya (10 patents)Yuka SaekiYuka Saeki (8 patents)Masayuki HatakenakaMasayuki Hatakenaka (3 patents)Masahiro OotakeMasahiro Ootake (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Globeride, Inc. (4 from 232 patents)

2. Pfu Limited (2 from 678 patents)


6 patents:

1. D1071081 - Fishing reel

2. D994829 - Fishing reel

3. D980380 - Reel body of fishing reel

4. D958793 - Scanner

5. D958794 - Scanner

6. 9807990 - Double bearing reel

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as of
1/8/2026
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