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 26–50 of 59 patents

Patent #TitleCo-InventorsDate
5183585 Liquid crystal emulsion composition Toshiya Koyama, Hataaki Yoshimoto, Katsuhiro Ito 1993-02-02
5142959 Midi control apparatus and midi system Masaharu Sakamoto, Shigeru Yamaguchi, Kazuhiko Mukai, Shinji Suzuki, Toshiyuki Katsu +3 more 1992-09-01
5091951 Audio signal data processing system Kazunaga Ida, Makio Yamaki, Hiroyuki Ishihara, Toshiyuki Naoe, Hideyuki Terauchi 1992-02-25
5065433 Audio signal data processing system Kazunaga Ida, Tatsushi Iizuka, Makio Yamaki, Hiroyuki Ishihara, Kazuhiro Hayashi 1991-11-12
5049638 Prepolymer composition utilizing polyol combination for production of coatings and films Nobuaki Kunii 1991-09-17
4972958 Money receiving and disbursing machine Toshiaki Ito, Hiroshi Kinoshita, Kazuyuki Seki 1990-11-27
4957959 Prepolymer composition, process for its production, and its use Nobuaki Kunii 1990-09-18
4953835 Wire for coiled spring Horiyuki Saito, Kuniki Morita 1990-09-04
4945149 Coating composition a non-porous moisture-permeable coating layer or film of a hydrophilic polyurethane resin Nobuaki Kunii 1990-07-31
4825429 Recording medium driving device 1989-04-25
4794040 Magnetic recording medium having a back coat layer containing carbon black having defined ranges of pH and coloring power Kumiko Ojima, Hiroshi Togashi, Hiroshi Ogino 1988-12-27
4779258 Recording medium driving device 1988-10-18
4779257 Disc driving device 1988-10-18
4770932 Magnetic recording medium having an improved back coat layer Hiroshi Togashi, Hiroshi Ogino, Kumiko Ojima 1988-09-13
4761331 Magnetic recording medium having a back coat layer containing carbon black treated with fatty acids Hiroshi Ogino, Hiroshi Togashi, Kumiko Ojima 1988-08-02
4759839 Process for producing pitch useful as raw material for carbon fibers Seiji Ishikawa, Shuuichi Hirano, Tutomu Kaibara, Kenji Sugiyama, Takuo Morishige 1988-07-26
4757007 Process for preparing hydrolyzed products of soy protein Masaaki Satoh, Koji Hasegawa, Gyota Taguchi, Hiroshi Mimoto 1988-07-12
4748081 Magnetic recording medium having an improved magnetic layer using particulate alpha-Fe.sub.2 O.sub.3 and carbon black Osamu Kobayashi, Hitoshi Takita, Mutsumu Kurihara, Tsunehide Naruse 1988-05-31
4748037 Process for producing a bean cake Gyota Taguchi 1988-05-31
4742509 Disk rotating device Masao Okita, Yoshio Matsuwake 1988-05-03
4735403 Wire for coiled spring Noriyuki Saito, Kuniki Morita 1988-04-05
4647595 Process for producing a urethane-modified polyisocyanurate foam Shigeyuki Kozawa, Nobuaki Kunii 1987-03-03
4645724 Magnetic recording medium comprising a specific type of lubricant Kumiko Ojima, Tsunehide Naruse 1987-02-24
4640863 Magnetic recording media Masaru Hanayama 1987-02-03
4632208 Vehicle braking system Toshio Takayama, Hiromi Ando 1986-12-30