YH

Yasukazu Hayashi

OK Okuma: 27 patents #1 of 233Top 1%
OT Okuma Tekkosho: 2 patents #13 of 43Top 35%
OW Okuma Machinery Works: 2 patents #1 of 28Top 4%
📍 Ebeye: #79 of 4,528 inventorsTop 2%
Overall (All Time): #118,415 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5194907 Displacement detecting apparatus 1993-03-16
5182613 Position detecting apparatus generating periodic detection signals having equal third and fifth harmonic components Atsushi Ieki, Keiji Matsui 1993-01-26
5155696 Position detecting apparatus Shinji Shibata 1992-10-13
5104268 Screw cutting machine Katsuyoshi Kitagawa 1992-04-14
5076744 Screw cutting machine Katsuyoshi Kitagawa 1991-12-31
5032750 Absolute rotation position detector with coaxial resolvers 1991-07-16