YM

Yukio Matsumoto

Rohm Co.: 12 patents #238 of 2,292Top 15%
VJ Victor Company Of Japan: 11 patents #103 of 1,489Top 7%
JD Japan Display: 5 patents #516 of 1,204Top 45%
Pioneer Electronic: 5 patents #387 of 1,840Top 25%
AC Asahi Glass Co.: 5 patents #403 of 2,251Top 20%
AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
UI Ube Industries: 3 patents #427 of 1,686Top 30%
NM Nisshin Oil Mills: 2 patents #21 of 101Top 25%
TO Tokico: 2 patents #111 of 359Top 35%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
IN Inax: 1 patents #78 of 242Top 35%
LC Laurel Bank Machines Co.: 1 patents #90 of 139Top 65%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
UJ Unisia Jecs: 1 patents #221 of 395Top 60%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
AI Aiwa: 1 patents #33 of 72Top 50%
📍 Minato, JP: #3 of 9 inventorsTop 35%
Overall (All Time): #40,492 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
4615930 Magnetic recording media having an undercoat as islands Hirokazu Moriizumi 1986-10-07
4610483 Vehicle brake system Toshio Takayama 1986-09-09
4595631 Magnetic recording media comprising carbon black-adsorbed metal oxide particles in a magnetic recording layer 1986-06-17
4532178 Magnetic recording media comprising a magnetic layer on one side of a support and a non-magnetic tio layer on the other side 1985-07-30
4528340 Process for producing hydrophilic polymers Osamu Hayashi, Hideo Kurihara 1985-07-09
4469750 Magnetic recording media comprising fluorinated organosilicones in a magnetic layer thereof Kuniharu Fujiki, Hiroshi Yoshida 1984-09-04
4465029 Reinforced crankcase for an internal combustion engine with a balancer shaft 1984-08-14
4455480 Rice cooker-warmer Terutaka Aoshima, Katsuharu Matsuo 1984-06-19
4188301 Magnetic recording composition Tunehide Naruse, Yasushi Sasaki 1980-02-12