YF

Yoshikazu Fujii

NC Nippon Shokubai Co.: 11 patents #83 of 1,108Top 8%
Sharp Kabushiki Kaisha: 9 patents #1,853 of 10,731Top 20%
AC Asmo Co.: 4 patents #112 of 745Top 20%
MC Microbiopharm Japan Co.: 4 patents #2 of 19Top 15%
DE Denso: 2 patents #4,986 of 11,792Top 45%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
TC Taoka Chemical Co.: 1 patents #26 of 69Top 40%
📍 Toyohashi, JP: #20 of 1,141 inventorsTop 2%
Overall (All Time): #118,854 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4881216 Optical head in an optical memory device Toshihisa Deguchi, Tetsuya Inui, Kenji Ohta, Schohichi Katoh 1989-11-14
4792474 Optical memory element Yoshiteru Murakami, Akira Takahashi, Hiroyuki Katayama, Kenji Ohta 1988-12-20
4721368 Optical system in a magneto-optical memory device Toshihisa Deguchi, Tetsuya Inui, Hideyoshi Yamaoka 1988-01-26
4667315 Tight beam position controlling apparatus Tetsuya Inui, Toshihisa Deguchi, Tohru Okuda 1987-05-19
4660190 Optical focus position control in optical disc apparatus Toshihisa Deguchi, Tetsuya Inui, Hideyoshi Yamaoka 1987-04-21
4468412 Process for applying light- or radiation-curable resin composition to polyolefin moldings Tomizou Kondo, Hideo Shinonaga, Kaoru Kitadono 1984-08-28