AT

Akira Takahashi

Sharp Kabushiki Kaisha: 168 patents #12 of 10,731Top 1%
Honda Motor Co.: 38 patents #136 of 21,052Top 1%
SU Subaru: 33 patents #7 of 1,436Top 1%
Ricoh Company: 30 patents #620 of 9,818Top 7%
NI Ngk Insulators: 26 patents #112 of 2,083Top 6%
HI Hitachi: 22 patents #1,535 of 28,497Top 6%
PA Panasonic: 21 patents #931 of 21,108Top 5%
MM Mitsubishi Motors: 17 patents #37 of 1,823Top 3%
HK Hamamatsu Photonics K.K.: 15 patents #127 of 1,436Top 9%
Pioneer Electronic: 15 patents #65 of 1,840Top 4%
AC Alps Green Devices Co.: 15 patents #1 of 37Top 3%
Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
NS Nippon Steel: 13 patents #128 of 4,423Top 3%
Mitsubishi Electric: 12 patents #2,296 of 25,717Top 9%
CC Clarion Co.: 11 patents #44 of 721Top 7%
OC Oki Electric Industry Co.: 11 patents #110 of 2,807Top 4%
CC Citizen Systems Japan Co.: 9 patents #2 of 40Top 5%
AC Alps Electric Co.: 8 patents #222 of 2,177Top 15%
CC Citizen Watch Co.: 7 patents #133 of 1,225Top 15%
HS Hitachi Automotive Systems: 7 patents #226 of 1,636Top 15%
KS Kabushiki Kaisha Osaka Packing Seizosho: 6 patents #1 of 10Top 10%
FU Fuji: 6 patents #83 of 422Top 20%
HE Hitachi Kokusai Electric: 6 patents #150 of 843Top 20%
SO Sony: 6 patents #6,793 of 25,231Top 30%
IH Ihi: 6 patents #122 of 1,178Top 15%
Nsk: 5 patents #309 of 1,559Top 20%
ST Sandisk Technologies: 5 patents #524 of 2,224Top 25%
IC Iwatsu Electric Co.: 4 patents #16 of 212Top 8%
HM Hyundai Motor: 4 patents #2,665 of 11,886Top 25%
KM Kia Motors: 4 patents #1,382 of 7,429Top 20%
JC Jeco Co.: 4 patents #8 of 73Top 15%
NI Nikon: 4 patents #874 of 2,493Top 40%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
University of Michigan: 4 patents #497 of 4,352Top 15%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
DE Denso: 4 patents #3,129 of 11,792Top 30%
FI Fujifilm Business Innovation: 3 patents #2,355 of 5,238Top 45%
NC Nippon Paint Holdings Co.: 3 patents #198 of 834Top 25%
TL Tokyo Electron Limited: 3 patents #2,069 of 5,567Top 40%
TI Texas Instruments: 3 patents #4,047 of 12,488Top 35%
Tdk: 3 patents #1,522 of 3,796Top 45%
JN Jnc: 3 patents #107 of 413Top 30%
JP Jnc Petrochemical: 3 patents #57 of 122Top 50%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
CC Citizen Holdings Co.: 3 patents #70 of 431Top 20%
NA Nabtesco: 3 patents #60 of 320Top 20%
Pioneer: 3 patents #574 of 1,730Top 35%
ME Mitsubishi Jidosha Engineering: 3 patents #16 of 277Top 6%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
AC Alps Alpine Co.: 2 patents #150 of 525Top 30%
FL Fujitsu Isotec Limited: 2 patents #14 of 54Top 30%
HP Hamamatsu Photonics: 2 patents #41 of 131Top 35%
HK Hitachi Kiden Kogyo: 2 patents #3 of 28Top 15%
IC Ishikawajima-Harima Heavy Industries Co.: 2 patents #134 of 611Top 25%
MC Maruzen Petrochemical Co.: 2 patents #56 of 174Top 35%
MC Mitsui Mining & Smelting Co.: 2 patents #281 of 838Top 35%
MK Mizusawa Kagaku Kogyo Kabushiki Kaisha: 2 patents #6 of 29Top 25%
NC Nippon Piston Ring Co.: 2 patents #59 of 208Top 30%
OC Oki Semiconductor Co.: 2 patents #109 of 526Top 25%
OP Optrex: 2 patents #12 of 56Top 25%
RC Ricoh Optical Industries Co.: 2 patents #3 of 28Top 15%
TK Toshiba Tec Kabushiki Kaisha: 2 patents #886 of 1,664Top 55%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
US Usinor: 2 patents #21 of 185Top 15%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
NT NTT: 1 patents #2,911 of 4,871Top 60%
MK Mitsubishi Jidosha Kogyo K.K.: 1 patents #5 of 82Top 7%
MK Mitsubishi Jidosha Kabushiki Kaisha: 1 patents #1 of 23Top 5%
WU Waseda University: 1 patents #116 of 411Top 30%
YA Yagi Antenna: 1 patents #18 of 49Top 40%
ML Mitsubishi Electric Engineering Company, Limited: 1 patents #138 of 352Top 40%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
MI Mikuni: 1 patents #91 of 198Top 50%
FC Feather Safety Razor Co.: 1 patents #7 of 16Top 45%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
SH Shap: 1 patents #2 of 6Top 35%
KO Konica: 1 patents #1,290 of 1,958Top 70%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
SC Shinko Electric Industries Co.: 1 patents #437 of 723Top 65%
AC Aisan Industry Co.: 1 patents #46 of 109Top 45%
JT Japan Tobacco: 1 patents #582 of 1,187Top 50%
HS Hitachi Video And Information Systems: 1 patents #142 of 269Top 55%
TC The Society Of Japanese Aerospace Companies: 1 patents #17 of 40Top 45%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
TC Tokyo Roki Co.: 1 patents #32 of 106Top 35%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
UT University Of Tokushima: 1 patents #12 of 80Top 15%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NE Nec: 1 patents #7,889 of 14,502Top 55%
MC Mitsumi Electric Co.: 1 patents #527 of 935Top 60%
MK Mitsui Kinzoku Kogyo: 1 patents #47 of 99Top 50%
NK Nippon Kayaku: 1 patents #556 of 1,103Top 55%
MA Mitsui Kinzoku Act: 1 patents #60 of 109Top 60%
AI Aisin: 1 patents #310 of 1,000Top 35%
📍 Nagano, JP: #2 of 38 inventorsTop 6%
Overall (All Time): #236 of 4,157,543Top 1%
620
Patents All Time

Issued Patents All Time

Showing 351–375 of 620 patents

Patent #TitleCo-InventorsDate
5915800 System for controlling braking of an automotive vehicle Yutaka Hiwatashi, Koji Matsuno, Munenori Matsuura 1999-06-29
5909412 Method for reproducing optical disk Junichiro Nakayama, Naoyasu Iketani, Michinobu Mieda, Yoshiteru Murakami 1999-06-01
5907525 Magneto-optical disk, optical pickup, and magneto-optical disk drive Kenji Ohta, Shigeo Terashima 1999-05-25
5901118 Magneto-optical recording medium having a readout layer and a recording layer Naoyasu Iketani, Yoshiteru Murakami, Junji Hirokane 1999-05-04
5889740 Magneto-optical recording medium and magneto-optical recording method Junichiro Nakayama, Go Mori, Naoyasu Iketani 1999-03-30
5884473 System for exhaust gas purification and method for exhaust gas purification using said system Naomi Noda, Yukinari Shibagaki, Hiroshige Mizuno 1999-03-23
5867148 Space-saving information processing apparatus Hideki Kamimaki, Kiyokazu Nishioka, Koichi Kimura, Takashi Maruyama, Tsuguji Tachiuchi +7 more 1999-02-02
5863649 Magneto-optical recording medium Junji Hirokane, Hiroyuki Katayama, Kenji Ohta 1999-01-26
5850616 Traction control system for four wheel drive vehicle and the method thereof Koji Matsuno, Yutaka Hiwatashi, Munenori Matsuura 1998-12-15
5838645 Magneto-optical recording medium having a plurality of magnetic layers Junji Hirokane, Michinobu Mieda, Junichiro Nakayama 1998-11-17
5825723 Magneto-optical recording medium having a reproducing layer with different magnetization directions in different temperature ranges Junji Hirokane, Junichiro Nakayama 1998-10-20
5824426 Magneto-optical recording medium Naoyasu Iketani, Yoshiteru Murakami, Kenji Ohta 1998-10-20
5822282 Magneto-optical recording medium having a plurality of magnetic layers for use in light modulation technique Junichiro Nakayama, Michinobu Mieda, Junji Hirokane 1998-10-13
5816669 Vehicle motion control system Yutaka Hiwatashi, Koji Matsuno, Munenori Matsuura 1998-10-06
5813380 Suction control device for multiple cylinder internal combustion engine Toru Hashimoto, Mitsuhiro Miyake, Shigekazu Yamauchi, Hideo Kakinuma, Kiyoshi Shinjyo +4 more 1998-09-29
5809002 Disk clamping unit with a plurality of particles in a synthetic resin coating formed on either the clamper or the disk table Fuyuki Shirai, Jiro Morinaga, Yasushi Konno 1998-09-15
5808704 Rear projection type image display apparatus Hiroki Yoshikawa, Takahiko Yoshida, Kiyoshi Wada, Shigeru Mori, Tetsu Ohishi +12 more 1998-09-15
5804521 Process for production of a silicon nitride ceramic Masaaki Masuda, Keiichiro Watanabe 1998-09-08
5787056 Magneto-optical recording medium with multiple magnetic layers Junichiro Nakayama, Michinobu Mieda, Junji Hirokane 1998-07-28
5777953 Arrangement of magneto-optical recording medium which capable of reproducing an individual bit Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Kenji Ohta 1998-07-07
5767891 Method of manufacturing an optical probe element Junji Hirokane, Hiroyuki Katayama 1998-06-16
5768218 Magneto-optical recording medium having a plurality of magnetic layers Junichiro Nakayama, Yoshiteru Murakami, Junji Hirokane 1998-06-16
5764601 Method of manufacturing a magneto-optical recording medium having a readout layer with varying composition and curie temperature Yoshiteru Murakami, Naoyasu Iketani, Kenji Ohta 1998-06-09
5757734 Magneto-optical recording medium and method for reproducing from same Junsaku Nakajima, Junji Hirokane, Yoshiteru Murakami 1998-05-26
5754523 Optical memory medium with preformed pit arrangement Toshihisa Deguchi, Kenji Ohta, Kazuo Van, Michinobu Mieda, Tetsuya Inui 1998-05-19