HY

Hiroaki Yamamoto

Sumitomo Electric Industries: 60 patents #113 of 21,551Top 1%
FU Fujifilm: 50 patents #68 of 4,519Top 2%
NL Nippon Sheet Glass Company, Limited: 27 patents #12 of 836Top 2%
AC Asmo Co.: 26 patents #6 of 745Top 1%
DI Daicel Chemical Industries: 24 patents #16 of 893Top 2%
PA Panasonic: 19 patents #1,080 of 21,108Top 6%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
GC Green Tokai Co.: 16 patents #1 of 14Top 8%
SK Suzuki Jidosha Kogyo: 16 patents #1 of 121Top 1%
FA Fanuc: 11 patents #257 of 1,735Top 15%
FI Fujifilm Business Innovation: 8 patents #1,176 of 5,238Top 25%
Schlumberger Technology: 8 patents #785 of 7,293Top 15%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
KE Keihin: 5 patents #37 of 596Top 7%
DA Daicel: 4 patents #85 of 523Top 20%
KC Komatsu Electronic Metals Co.: 4 patents #26 of 160Top 20%
SM Suzuki Motor: 4 patents #123 of 1,209Top 15%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
AI Aisin: 3 patents #81 of 1,000Top 9%
Nichia: 3 patents #567 of 1,531Top 40%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
OF Otsuka Pharmaceutical Factory: 2 patents #79 of 354Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
SC Senju Pharmaceutical Co.: 2 patents #78 of 231Top 35%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
Kioxia: 2 patents #693 of 1,813Top 40%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
TC Taoka Chemical Co.: 2 patents #14 of 69Top 25%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
TC Tokai Metals Co.: 2 patents #4 of 8Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
T& Tsumura &: 1 patents #52 of 128Top 45%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
SC Shin-Kobe Electric Machinery Co.: 1 patents #92 of 199Top 50%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
HD Hitachi Denshi: 1 patents #119 of 275Top 45%
📍 Tokyo, OH: #1 of 59 inventorsTop 2%
Overall (All Time): #996 of 4,157,543Top 1%
334
Patents All Time

Issued Patents All Time

Showing 226–250 of 334 patents

Patent #TitleCo-InventorsDate
6573625 Motor device having water-proof brush holder Fumihiro Shimizu, Katsuhiko Torii, Kenji Kashima, Kengo Yamamura 2003-06-03
6564935 Coating solution, method and kit for preparing the same, and method for water-repellent treatment using the same Kazutaka Kamitani, Mitsuhiro Kawazu, Mitsuo Asai 2003-05-20
6555236 Articles having an uneven surface and production process therefor Koichiro Nakamura, Masahiro Hori 2003-04-29
6532202 Optical element, optical head and optical recording reproducing apparatus Hidenori Wada, Shin-ichi Kadowaki, Tetsuo Saimi, Daisuke Ogata, Naoya Hotta +1 more 2003-03-11
6524771 Optical recording film and process for production thereof Koichi Maeda, Akio Takigawa 2003-02-25
6514742 D-aminoacylases, method for producing the same, and method for producing D-amino acids using the same Kazuya Mitsuhashi, Akinobu Matsuyama, Shinji Tokuyama 2003-02-04
6510255 Optical transmission apparatus Kouichi Masuda 2003-01-21
6503630 Glass article, method for handling glass article and handling tool for glass article Toyoyuki Teranishi, Hisashi Ogawa, Hiroaki Kobayashi, Jun Hasegawa, Kazuhiro Doushita 2003-01-07
6485948 Carbonyl reductase, method for producing said enzyme, DNA encoding said enzyme, and method for producing alcohol using said enzyme Norihiro Kimoto, Kazuya Mitsuhashi 2002-11-26
6482524 Substrate having a treatment surface Kazutaka Kamitani, Hiroaki Kobayashi, Takashi Sunada, Toyoyuki Teranishi 2002-11-19
6481550 Motor having clutch provided with stopper Hirofumi Sakai, Kengo Yamamura, Katsuhiko Torii, Tadashi Adachi 2002-11-19
6480875 Adder circuit and associated layout structure Akira Miyoshi, Yoshito Nishimichi 2002-11-12
6479193 Optical recording film and process for production thereof Koichi Maeda, Akio Takigawa 2002-11-12
6463829 Geared motor having a reinforced gear housing Katsuhiko Torii 2002-10-15
6465108 Process for the production of articles covered with silica-base coats Kazutaka Kamitani, Toyoyuki Teranishi, Kazuhiro Doushita, Takashi Sunada, Hiroaki Kobayashi +1 more 2002-10-15
6450056 Motor having speed reduction device Katsuhiko Torii 2002-09-17
6452296 Motor device and transmission mechanism Katsuhiko Torii, Manabu Kato 2002-09-17
6436329 Method of making fused film plastic parts and parts made by such methods William H. Hardgrove, Michael Andrew Swartz, Andrew G. Yorde 2002-08-20
6418107 Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same Kousei Sano, Shin-ichi Kadowaki, Ken'ichi Kasazumi, Seiji Nishino 2002-07-09
6418095 Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same Kousei Sano, Shin-ichi Kadowaki, Ken'ichi Kasazumi, Seiji Nishino 2002-07-09
6416986 Carbonyl reductase, method for producing said enzyme, DNA encoding said enzyme, and method for producing alcohol using said enzyme Norihiro Kimoto, Kazuya Mitsuhashi 2002-07-09
6415093 Optical device and adhesive composition used therefor Koichiro Nakamura, Masahiro Hori 2002-07-02
6400671 Optical head device Hideki Hayashi, Tatsuo Ito, Yoshiaki Komma, Seiji Nishino 2002-06-04
6390264 Clutch and motor including such clutch Katsuhiko Torii, Tadashi Adachi 2002-05-21
6382384 Clutch having reduced noise level and motor including such clutch Katsuhiko Torii 2002-05-07