HK

Hiroaki Kato

Sharp Kabushiki Kaisha: 33 patents #380 of 10,731Top 4%
Honda Motor Co.: 29 patents #274 of 21,052Top 2%
Aisin Seiki Kabushiki Kaisha: 17 patents #132 of 3,782Top 4%
AC Advics Co.: 16 patents #24 of 686Top 4%
Canon: 15 patents #4,433 of 19,416Top 25%
TK Toyoda Koki Kabushiki Kaisha: 15 patents #14 of 674Top 3%
JT Jtekt: 14 patents #72 of 1,969Top 4%
Ricoh Company: 10 patents #2,244 of 9,818Top 25%
TI Toyota Industries: 8 patents #179 of 1,610Top 15%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
SO Sony: 5 patents #7,785 of 25,231Top 35%
Yamaha: 4 patents #621 of 2,001Top 35%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
AC Aisin Takaoka Co.: 3 patents #15 of 172Top 9%
EX Exedy: 3 patents #81 of 223Top 40%
NI Ngk Insulators: 3 patents #780 of 2,083Top 40%
NL Nippon Sheet Glass Company, Limited: 3 patents #248 of 836Top 30%
ZG Zexel Gmbh: 3 patents #72 of 348Top 25%
HK Honda Giken Kogyo K.K.: 2 patents #39 of 311Top 15%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
NC Nkk Co.: 2 patents #309 of 1,173Top 30%
JS Jfe Steel: 2 patents #578 of 1,401Top 45%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
MC Mitsubishi Steel Mfg. Co.: 1 patents #53 of 145Top 40%
HC Hitachi Plant Services Co.: 1 patents #2 of 14Top 15%
HK Honda Giken Kabushiki Kaisha: 1 patents #5 of 184Top 3%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
TS The University Of Sydney: 1 patents #131 of 441Top 30%
TK Toshiba Kikai: 1 patents #381 of 713Top 55%
Overall (All Time): #4,231 of 4,157,543Top 1%
180
Patents All Time

Issued Patents All Time

Showing 126–150 of 180 patents

Patent #TitleCo-InventorsDate
5713198 Exhaust gas-purifying device for internal combustion engines Takuya Aoki, Yuichi Shimasaki, Takashi Komatsuda, Akihisa Saito, Toshikazu Oketani 1998-02-03
5689952 Exhaust gas-purifying system for internal combustion engines Takashi Komatsuda, Yuichi Shimasaki, Akihisa Saito, Tetsu Teshirogi, Takuya Aoki +2 more 1997-11-25
5647326 Fuel injection pump Hidekatsu Yashiro, Tsuyoshi Kodama 1997-07-15
5634331 Exhaust gas-purifying device for internal combustion engines Takuya Aoki, Yuichi Shimasaki, Takashi Komatsuda, Akihisa Saito, Toshikazu Oketani 1997-06-03
5615552 Secondary air pump control system for internal combustion engines Yuichi Shimasaki, Takashi Komatsuda 1997-04-01
5600949 Exhaust gas-purifying system for internal combustion engines Yuichi Shimasaki, Akihisa Saito, Takashi Komatsuda, Toshikazu Oketani, Seiji Hatcho +3 more 1997-02-11
5584177 Adsorber temperature-estimating device for internal combustion engines and exhaust gas-purifying system using same Toshikazu Oketani, Tetsu Teshirogi, Yuichi Shimasaki, Seiji Hatcho, Seiji Matsumoto +4 more 1996-12-17
5555724 Capacity determining system in exhaust emission control unit for internal combustion engine Seiji Hatcho, Yuichi Shimasaki, Takuya Aoki, Seiji Matsumoto, Takashi Komatsuda +2 more 1996-09-17
5555725 Control system for electrically heated catalyst of internal combustion engine Yuichi Shimasaki, Takashi Komatsuda, Takuya Aoki 1996-09-17
5544482 Exhaust gas-purifying system for internal combustion engines Seiji Matsumoto, Takuya Aoki, Yuichi Shimasaki, Seiji Hatcho, Toshikazu Oketani +3 more 1996-08-13
5531203 Catalyst activating system in multi-cylinder internal combustion engine Takashi Komatsuda, Yuichi Shimasaki, Akihisa Saito, Toshikazu Oketani, Takuya Aoki 1996-07-02
5508591 Active matrix display device Yuzuru Kanemori, Mikio Katayama, Kiyoshi Nakazawa, Naofumi Kondo, Masaya Okamoto +8 more 1996-04-16
5501073 Ignition timing control system for internal combustion engines Yukio Miyashita, Yuichi Shimasaki, Toshikazu Oketani, Seiji Hatcho, Seiji Matsumoto +3 more 1996-03-26
5499501 Engine exhaust emission control system Yuichi Shimasaki, Akihisa Saito, Takashi Komatsuda, Toshikazu Oketani, Seiji Haccho +3 more 1996-03-19
5493857 Exhaust gas-purifying system for internal combustion engines Takashi Komatsuda, Yuichi Shimasaki, Akihisa Saito, Toshikazu Oketani, Takuya Aoki 1996-02-27
5467594 Exhaust gas-purifying system for internal combustion engines Takuya Aoki, Yuichi Shimasaki, Seiji Matsumoto, Seiji Hatcho, Toshikazu Oketani +3 more 1995-11-21
5467791 Ultrasonic cleaning method and device therefor Hideaki Heki, Shirou Komura, Emiko Okamura 1995-11-21
5469025 Fault tolerant active matrix display device Yuzuru Kanemori, Mikio Katayama, Kiyoshi Nakazawa, Naofumi Kondo, Masaya Okamoto +8 more 1995-11-21
5463230 Active matrix board Hidenori Negoto, Mikio Katayama, Kiyoshi Nakazawa, Yuzuru Kanemori, Takayoshi Nagayasu 1995-10-31
5446568 Active matrix display apparatus with plural signal input connections to the supplemental capacitor line Kiyoshi Nakazawa, Mikio Katayama, Akihiko Imaya 1995-08-29
5434686 Active matrix display device Yuzuru Kanemori, Akihiko Imaya, Kozo Yano, Katsumi Irie 1995-07-18
5390052 Method of recording/reproducing table of contents in digital magnetic tape recording/reproducing apparatus Yanabe Junji 1995-02-14
5343216 Active matrix substrate and active matrix display apparatus Mikio Katayama, Takayoshi Nagayasu, Akihiko Imaya, Hidenori Negoto, Yuzuru Kanemori +1 more 1994-08-30
5335102 Liquid crystal display element and method for treating defective pixels therein Yuzuru Kanemori, Mikio Katayama, Kiyoshi Nakazawa, Kozo Yano, Naofumi Kondo +4 more 1994-08-02
5302987 Active matrix substrate including connecting electrode with extended portion Yuzuru Kanemori, Hiroshi Fujiki, Toshiaki Fujihara, Akihiko Imaya, Mikio Katayama +1 more 1994-04-12