YK

Yutaka Katayama

MK Maruman Golf Kabushikikaisha: 5 patents #2 of 12Top 20%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
SK Sumitomo Kinzoku Kogyo Kabushiki Kaisha: 1 patents #14 of 53Top 30%
Overall (All Time): #473,798 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10518506 Layered product and process for producing same Koki Miyazono, Yusuke Kawabata, Eiichiro Tamaki, Yasuo Kubota 2019-12-31
D377509 Head for golf club 1997-01-21
5398935 Golf wood clubhead 1995-03-21
D344560 Golf club head 1994-02-22
5280911 Clubhead for golf iron club 1994-01-25
5171738 Method of treating malignant tumors Masashi Kodama, by Shigemasa Katayama, heir, by Nobuko Katayama, heir, by Yoshimasa Katayama, heir, Toru Tani +2 more 1992-12-15
5160137 Iron golf club set 1992-11-03
5056788 Club set with progressively altered hosel thickness and head weight 1991-10-15
D304771 Pipe 1989-11-21
D304625 Pipe 1989-11-14
4365307 Temperature pattern measuring device Masao Tatsuwaki, Shin Nemoto, Michio Okada, Kazuyuki Hotta 1982-12-21