YH

Yasuo Hattori

AC Asahi Kasei Kogyo Co.: 13 patents #14 of 1,395Top 2%
OC Olympus Optical Co.: 13 patents #219 of 2,334Top 10%
DE Denso: 2 patents #4,986 of 11,792Top 45%
LP Lanier Business Products: 1 patents #10 of 15Top 70%
HC Hitachi Engineering & Services Co.: 1 patents #59 of 129Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Nuclear Engineering Co.: 1 patents #3 of 32Top 10%
📍 Hachijo, JP: #1 of 3 inventorsTop 35%
Overall (All Time): #126,008 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4424322 Process for producing polymers or copolymers of conjugated dienes Takeshi Ikematu, Toshio Ibaragi, Makoto Honda 1984-01-03
4413098 Isoprene-butadiene copolymer rubber having improved processing properties Takeshi Ikematu, Toshio Ibaragi, Makoto Honda 1983-11-01
4385332 Tape cassette lid opening device for magnetic recording tape driving apparatus Toshihiro Nakao, Kazuaki Takata, Katsumi Kanayama, Masaaki Daigaku, Kazuyasu Motoyama 1983-05-24
D263056 Camera 1982-02-16
D257252 Tape recorder David K. Walz 1980-10-07