MY

Masahiko Yamada

Fujitsu Limited: 30 patents #760 of 24,456Top 4%
SE Seiko Epson: 23 patents #730 of 7,774Top 10%
Ricoh Company: 14 patents #1,578 of 9,818Top 20%
FU Fujifilm: 12 patents #754 of 4,519Top 20%
Ngk Spark Plug Co.: 7 patents #254 of 1,594Top 20%
DI Daikin Industries: 7 patents #494 of 2,957Top 20%
WC Wacom Co.: 5 patents #118 of 357Top 35%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
AC Aichi Machine Industry Co.: 4 patents #3 of 131Top 3%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
AA Astrazeneca Ab: 3 patents #459 of 1,971Top 25%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
SC Showa Electric Wire & Cable Co.: 2 patents #7 of 169Top 5%
TY Takemoto Yushi: 2 patents #50 of 157Top 35%
CE Concept Enterprises: 2 patents #3 of 6Top 50%
KA Kaneka: 1 patents #886 of 1,525Top 60%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
TO Tosho: 1 patents #9 of 23Top 40%
KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
KS Kawai Gakki Seisakusho: 1 patents #113 of 198Top 60%
Overall (All Time): #8,170 of 4,157,543Top 1%
132
Patents All Time

Issued Patents All Time

Showing 126–132 of 132 patents

Patent #TitleCo-InventorsDate
5026941 Y zeolite catalyst Motohiro Oguri, Yoshiaki Kano, Kiyotaka Mishima, Kenji Kasano, Masaru Uemura 1991-06-25
D302695 Component for a vehicular loudspeaker Gary S. Weissberg, David Kwang 1989-08-08
D302556 Component for a vehicular loudspeaker Gary S. Weissberg, David Kwang 1989-08-01
4843637 Tuner circuit Toshio Shimura, Yoshiteru Ishii, Fuminobu Tamase 1989-06-27
4584086 Device for detecting concentration of oxygen in exhaust gas Nobuhiro Hayakawa, Toshiyuki Ishihara 1986-04-22
D271600 Doll 1983-11-29
4372824 Method of manufacturing oxygen sensor Nobuhiro Toda 1983-02-08