TK

Takayuki Kosaka

TA Tadano: 13 patents #5 of 139Top 4%
TU The School Corporation Kansai University: 13 patents #1 of 64Top 2%
SI Seiko Instruments: 11 patents #151 of 1,437Top 15%
RC Rion Co.: 1 patents #63 of 139Top 50%
TC Tachi-S Co.: 1 patents #194 of 398Top 50%
TC Tachikawa Spring Co.: 1 patents #29 of 77Top 40%
Overall (All Time): #141,059 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4886316 Lumbar support device Tomio Suzuyama, Masaki Hayama, Tamotsu Shirai 1989-12-12
4564235 Lumbar support device Susumu Hatsutta 1986-01-14