HF

Hiroyuki Fujii

Aisin Seiki Kabushiki Kaisha: 40 patents #17 of 3,782Top 1%
PA Panasonic: 14 patents #1,670 of 21,108Top 8%
SC Sanyo Electric Co.: 12 patents #378 of 6,347Top 6%
CL Central Glass Company, Limited: 11 patents #65 of 968Top 7%
TC Tachi-S Co.: 6 patents #41 of 398Top 15%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
CH Chisso: 5 patents #167 of 833Top 25%
TL Tokyo Electron Limited: 3 patents #2,069 of 5,567Top 40%
SH Shimadzu: 3 patents #606 of 2,007Top 35%
MK Matsushima Kogyo Kabushiki Kaisha: 3 patents #2 of 10Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
TO Toto: 3 patents #304 of 1,113Top 30%
AC Asahi Glass Co.: 3 patents #625 of 2,251Top 30%
UK Ushio Denki Kabushiki Kaisha: 2 patents #199 of 583Top 35%
YC Yanmar Holdings Co.: 2 patents #230 of 636Top 40%
MO Molex: 2 patents #661 of 1,726Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
SS Suwa Seikosha: 2 patents #49 of 220Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
OC Oji Paper Co.: 2 patents #101 of 423Top 25%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
NC Nippon Yakin Kogyo Co.: 1 patents #31 of 74Top 45%
DA Daicel: 1 patents #265 of 523Top 55%
DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
HM Hitachi Metal: 1 patents #1 of 21Top 5%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
NC Nihon Nohyaku Co.: 1 patents #153 of 243Top 65%
NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
NT NTT: 1 patents #2,911 of 4,871Top 60%
AI Aisin: 1 patents #310 of 1,000Top 35%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
PP Pola Pharma: 1 patents #19 of 27Top 75%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SK Shinano Kenshi: 1 patents #44 of 113Top 40%
SU Sumida: 1 patents #72 of 118Top 65%
SL Sumitomo Riko Company Limited: 1 patents #206 of 446Top 50%
TL Takeda Pharmaceutical Company Limited: 1 patents #859 of 1,531Top 60%
📍 Kochi, MI: #1 of 1 inventorsTop 100%
Overall (All Time): #7,172 of 4,157,543Top 1%
140
Patents All Time

Issued Patents All Time

Showing 126–140 of 140 patents

Patent #TitleCo-InventorsDate
5087653 Cleaning resin composition Kenjiro Obama, Hiroshi Takasu, Susumu Arase 1992-02-11
5058022 Device for detecting engine brake Yasuo Kita, Hiroshi Uzawa 1991-10-15
5024902 Fiber-reinforced metal Katsuaki Suganuma, Hiroyoshi Minakuchi, Katsuhiko Kada, Haruo Osafune, Kuniaki KANAMARU 1991-06-18
5004172 Take-up apparatus for amorphous metal ribbon Masaaki Tanahashi, Hiroyuki Hagiwara 1991-04-02
4995359 Combustion chamber for internal combustion engine Junichi Yokoyama, Tomonori Urushihara, Teruyuki Itoh 1991-02-26
4838945 Thermoplastic resin composition for cleaning Takamichi Kudo, Haruhiko Furukawa, Nobusuke Yamamoto 1989-06-13
4776233 Hydromechanical transmission and hydromechanical speed-change mechanism Yasuo Kita 1988-10-11
4637130 Method for manufacturing a plastic encapsulated semiconductor device and a lead frame therefor Kenichi Tateno, Mikio Nishikawa 1987-01-20
4589010 Method for manufacturing a plastic encapsulated semiconductor device and a lead frame therefor Kenichi Tateno, Masami Yokozawa, Mikio Nishikawa, Michio Katoh, Fujio Wada 1986-05-13
4507675 Method for manufacturing a plastic encapsulated semiconductor device and a lead frame therefor Kenichi Tateno, Mikio Nishikawa 1985-03-26
4482915 Lead frame for plastic encapsulated semiconductor device Mikio Nishikawa, Kenichi Tateno, Masami Yokozawa 1984-11-13
4451973 Method for manufacturing a plastic encapsulated semiconductor device and a lead frame therefor Kenichi Tateno, Masami Yokozawa, Mikio Nishikawa, Michio Katoh, Fujio Wada 1984-06-05
4421621 Quartz crystal oscillator Joji Shimakawa, Yukio Hara, Masatoshi Kobayashi 1983-12-20
4293986 Method of making a quartz crystal oscillator Masatoshi Kobayashi, George Shimakawa, Yukio Hara 1981-10-13
4288284 Method of producing housing element for quartz crystal oscillator Masatoshi Kobayashi, George Shimakawa, Yukio Hara 1981-09-08