YM

Yutaka Masutani

BC Bridgestone Sports Co.: 57 patents #15 of 224Top 7%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
TC Tabata Co.: 1 patents #16 of 29Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #33,956 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
5957785 Golf balls with defined coating layer Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue, Atuki Kasasima 1999-09-28
5947844 Golf ball and mold therefor Hirotaka Shimosaka, Keisuke Ihara, Michio Inoue, Atsuki Kasashima 1999-09-07
5908359 Golf ball having improved symmetry Hirotaka Shimosaka, Keisuke Ihara, Atuki Kasasima, Michio Inoue 1999-06-01
5906551 Golf ball Atsuki Kasashima, Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue 1999-05-25
5902191 Golf balls and their production process Keisuke Ihara, Hirotaka Shimosaka 1999-05-11
5902193 Golf ball Hirotaka Shimosaka, Keisuke Ihara, Michio Inoue, Atsuki Kasashima 1999-05-11
5902190 Golf ball with defined coating layer Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue, Atuki Kasasima 1999-05-11
5874038 Injection mold for golf balls and method for preparing golf balls Atsuki Kasashima, Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue 1999-02-23
5836833 Golf ball Hirotaka Shimosaka, Keisuke Ihara, Michio Inoue, Atuki Kasasima 1998-11-17
5836834 Golf balls Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue, Atuki Kasasima 1998-11-17
5816937 Golf ball having a multilayer cover Hirotaka Shimosaka, Keisuke Ihara, Michio Inoue, Atuki Kasasima 1998-10-06
5816943 Golf balls and their production process Keisuke Ihara, Hirotaka Shimosaka 1998-10-06
5759116 Golf ball Atuki Kasasima, Keisuke Ihara, Hirotaka Shimosaka, Michio Inoue 1998-06-02
5730665 Golf ball and method of making same Hirotaka Shimosaka, Keisuke Ihara, Michio Inoue, Atuki Kasasima 1998-03-24
5651741 Golf ball Keisuke Ihara, Seisuke Tomita 1997-07-29