HY

Hitoshi Yamamoto

SE Seiko Epson: 56 patents #152 of 7,774Top 2%
CO Comcast: 29 patents #119 of 4,447Top 3%
Ricoh Company: 28 patents #700 of 9,818Top 8%
Honda Motor Co.: 17 patents #852 of 21,052Top 5%
NE Nec: 15 patents #768 of 14,502Top 6%
SM Smc: 13 patents #84 of 737Top 15%
NC Nippon Shokubai Co.: 12 patents #75 of 1,108Top 7%
CH Chisso: 11 patents #75 of 833Top 10%
Mitsubishi Electric: 10 patents #2,886 of 25,717Top 15%
SC Sumitomo Special Metals Co.: 10 patents #15 of 262Top 6%
KC Kokusai Denshin Denwa Co.: 7 patents #52 of 382Top 15%
Apple: 7 patents #4,247 of 18,612Top 25%
Kawasaki: 7 patents #285 of 2,943Top 10%
CP Chisso Petrochemical: 6 patents #17 of 139Top 15%
FC Fuji Electric Co.: 5 patents #458 of 2,643Top 20%
IC Idemitsu Kosan Co.: 4 patents #327 of 1,237Top 30%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
MC Mizusawa Industrial Chemicals: 2 patents #29 of 90Top 35%
HC Hodogaya Chemical Co.: 2 patents #141 of 359Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
JC Japan Powder Metallurgy Co.: 1 patents #4 of 20Top 20%
KA Kaijo: 1 patents #43 of 83Top 55%
ME Meidensha: 1 patents #255 of 555Top 50%
NS National Institute For Materials Science: 1 patents #361 of 901Top 45%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
NC Nippon Zoki Pharmaceutical Co.: 1 patents #78 of 156Top 50%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Samsung: 1 patents #49,284 of 75,807Top 70%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Tokyo, CA: #22 of 583 inventorsTop 4%
Overall (All Time): #2,299 of 4,157,543Top 1%
236
Patents All Time

Issued Patents All Time

Showing 201–225 of 236 patents

Patent #TitleCo-InventorsDate
4859255 Permanent magnets Setsuo Fujimura, Masato Sagawa, Yutaka Matsuura, Norio Togawa 1989-08-22
4829945 Exhaust timing control device for two-cycle engines Masayuki Toriyama, Kazumi Shibata 1989-05-16
4826546 Process for producing permanent magnets and products thereof Masato Sagawa, Setsuo Fujimura, Yutaka Matsuura 1989-05-02
4814754 Monitoring system Kikuo Kawasaki, Masanori Fukuhara, Kenji Asanuma 1989-03-21
4807571 Exhaust timing control apparatus Takumi Tottori, Tsugio Ikeda, Kouji Okazaki 1989-02-28
4794371 Remote control apparatus 1988-12-27
4773950 Permanent magnet Setsuo Fujimura, Masato Sagawa, Yutaka Matsuura, Norio Togawa 1988-09-27
4768473 Exhaust timing control apparatus Kouji Okazaki, Kanau Iwashita 1988-09-06
4762098 Lubricating device for overhead valve engine Shinichi Tamba, Akihito Shimizu 1988-08-09
4678053 Tiltable tricycle Masaki Watanabe, Yoshinori Matsuoka, Kunihiko Tanaka 1987-07-07
4672925 Two-cycle engine Takahide Miyata, Kanau Iwashita, Kazuman Taniuchi, Katsuhiro Nakamichi 1987-06-16
4632210 Engine exhaust system and supporting apparatus for two-wheeled/three wheeled vehicle Masayoshi Baba, Eiichi Iwao 1986-12-30
4632070 Device for cooling engine power unit Takanori Onda, Masahiko Kimoto 1986-12-30
4630042 Wired commodity vending system Kikuo Kawasaki, Tomomi Sano 1986-12-16
4609854 Control device for a hospital bed Masaya Kurita 1986-09-02
4601875 Process for producing magnetic materials Masato Sagawa, Setsuo Fujimura, Yutaka Matsuura 1986-07-22
4574785 Device for controlling the raising and lowering movement of a fluidized bed 1986-03-11
4506947 Method and apparatus for core alignment of optical fibers Koichi Tatekura, Makoto Nunokawa, Yoshihiro Ejiri 1985-03-26
4505540 Spliced portion housing structure for optical fiber in optical submerged repeater Kahei Furusawa, Makoto Nunokawa, Yoshihiro Ejiri, Yoshihiko Yamazaki, Koichi Tatekura 1985-03-19
4484957 Permanent magnetic alloy Akira Higuchi, Naoyuki Ishigaki, Yutaka Matsuura 1984-11-27
4481909 Two-cycle internal combustion engine Toshiyuki Takada 1984-11-13
4469401 Optical fiber unit for optical submarine cables Yoshihiko Yamazaki, Kahei Furusawa, Yoshihiro Ejiri, Makoto Nunokawa 1984-09-04
4469052 Cooling system in a liquid cooled internal combustion engine Tetsuzo Fujikawa, Ryoji Uda 1984-09-04
4422718 Submarine optical fiber cable Yukio Nakagome, Kitsutaro Amano, Taiichiro Nakai, Yasuhiko Niiro, Yoshihiro Ejiri +1 more 1983-12-27
4382426 Cooling system in a liquid cooled internal combustion engine Tetsuzo Fujikawa, Ryoji Uda 1983-05-10