SH

Seiji Hayase

SI Sumitomo Rubber Industries: 4 patents #21 of 295Top 8%
Overall (2020): #44,925 of 565,922Top 8%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10864411 Golf club Naoyoshi Ueda, Masahiko Ueda, Yasushi Sugimoto, Takashi Nakamura, Wataru Kimizuka 2020-12-15
10850171 Golf club head Yuki MOTOKAWA 2020-12-01
10828542 Golf club head Yuki MOTOKAWA 2020-11-10
10632355 Golf club Naruhiro MIZUTANI, Kenji Takasu, Takashi Nakano, Daisuke KOHNO 2020-04-28