HY

Hiroyuki Yamaguchi

Sumitomo Electric Industries: 42 patents #244 of 21,551Top 2%
SO Sony: 34 patents #939 of 25,231Top 4%
TO Toyota: 17 patents #1,469 of 26,838Top 6%
TL Toyota Central R&D Labs: 11 patents #66 of 1,657Top 4%
PE Pentax: 10 patents #180 of 761Top 25%
Canon: 8 patents #7,260 of 19,416Top 40%
ND Ntt Docomo: 7 patents #371 of 1,706Top 25%
NS Nippon Steel: 6 patents #412 of 4,423Top 10%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
MC Menicon Co.: 5 patents #37 of 263Top 15%
NC Nippondenso Co.: 5 patents #465 of 3,479Top 15%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
HC Hitachi Chemical Company: 4 patents #392 of 1,946Top 25%
NM Nippon Steel & Sumitomo Metal: 4 patents #273 of 1,491Top 20%
KK Kanto Kagaku: 4 patents #21 of 181Top 15%
Kioxia: 3 patents #479 of 1,813Top 30%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
KS Kyocera Document Solutions: 3 patents #862 of 1,545Top 60%
NC N.E. Chemcat: 3 patents #29 of 136Top 25%
UJ Unisia Jecs: 2 patents #148 of 395Top 40%
NT NTT: 2 patents #2,095 of 4,871Top 45%
PS Prime Planet Energy & Solutions: 2 patents #44 of 228Top 20%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
TI Toyota Industries: 2 patents #605 of 1,610Top 40%
KA Kaneka: 2 patents #598 of 1,525Top 40%
CA Calsonic: 2 patents #34 of 204Top 20%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
CK Calsonic Kansei: 2 patents #178 of 675Top 30%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
TT Tokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
DE Denso: 1 patents #6,940 of 11,792Top 60%
DA Denso International America: 1 patents #317 of 604Top 55%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
KK Kabushiki Kaisha Chuo Kenkyusho: 1 patents #1 of 22Top 5%
KC Kansai Paint Co.: 1 patents #432 of 822Top 55%
KK Kokusai Denki Kabushiki Kaisha: 1 patents #3 of 7Top 45%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
MM Matsuura Machinery: 1 patents #28 of 59Top 50%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
MC Meiji Seika Pharma Co.: 1 patents #105 of 183Top 60%
MC Meito Sangyo Co.: 1 patents #24 of 68Top 40%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SS Sophia School: 1 patents #26 of 57Top 50%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
TC Taoka Chemical Co.: 1 patents #26 of 69Top 40%
AK Aishin Seiki Kabushiki Kaisha: 1 patents #2 of 53Top 4%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Yokohama, JP: #28 of 480 inventorsTop 6%
Overall (All Time): #3,078 of 4,157,543Top 1%
208
Patents All Time

Issued Patents All Time

Showing 201–208 of 208 patents

Patent #TitleCo-InventorsDate
4833664 Servo system for scanning the same track circumference of a spiral track on a disc shaped recording medium Kazuharu Shiragami, Mirsuro Moriya 1989-05-23
4807206 Track jump detection system Mitsuro Moriya, Toshiji Kanamaru, Kazuharu Shiragami, Katsuya Watanabe 1989-02-21
4802240 Synchronous receiving method for selective calling signal Naomi Yokoyama 1989-01-31
4796024 Selective calling receiver with automatic memory storage and turn-on indication Kazushige Sakoh, Hiroshi Arakawa, Tatsuaki Sekigawa, Toshiyasu Takasugi, Shinjiro Umetsu +1 more 1989-01-03
4790214 Revolution speed ratio control system for a continuously variable transmission Katsuhiko Hattori, Hideyuki Suzuki, Takeo Ogasawara 1988-12-13
4692915 Recording and reproduction apparatus having improved reliability with respect to externally applied vibration or impact Mitsuro Moriya, Kazuharu Shiragami 1987-09-08
4410457 Conductive paste Kenji Fujimura, Shigeru Sekiya, Kunimasa Kamio, Koichi Okuno, Satoru Haraguchi +1 more 1983-10-18
4360649 Curable composition Kunimasa Kamio, Koichi Okuno, Satoru Haraguchi, Koichi Ohashi 1982-11-23