HK

Hiroshi Kitagawa

Honda Motor Co.: 35 patents #160 of 21,052Top 1%
KS Kawai Gakki Seisakusho: 13 patents #6 of 198Top 4%
KC Kansai Paint Co.: 10 patents #44 of 822Top 6%
KU Kyoto University: 7 patents #48 of 1,688Top 3%
KA Kao: 6 patents #545 of 3,221Top 20%
JA Japan Science And Technology Agency: 5 patents #92 of 2,171Top 5%
NC New Japan Chemical Co.: 3 patents #19 of 110Top 20%
SL Seven Dreamers Laboratories: 3 patents #3 of 14Top 25%
KC Kawai Musical Instruments Manufacturing Co.: 3 patents #3 of 50Top 6%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
Pioneer: 2 patents #761 of 1,730Top 45%
KC Kawai Musical Inst. Mfg. Co.: 2 patents #7 of 31Top 25%
OC Otsuka Chemical Co.: 2 patents #85 of 269Top 35%
DC Daiwa House Industry Co.: 2 patents #3 of 21Top 15%
GL Glytech: 2 patents #17 of 49Top 35%
TP Tohoku Pioneer: 2 patents #104 of 312Top 35%
U.S. Philips: 2 patents #2,537 of 8,851Top 30%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
HR Hoechst Marion Roussel: 1 patents #151 of 309Top 50%
HK Honda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
OU Oita University: 1 patents #5 of 25Top 20%
SE Seikagaku: 1 patents #133 of 253Top 55%
TC Techno Medica Co.: 1 patents #9 of 21Top 45%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
YC Yamada Dobby Co.: 1 patents #7 of 18Top 40%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
YC Yamashita Rubber Co.: 1 patents #28 of 102Top 30%
DC Daifuku Co.: 1 patents #230 of 509Top 50%
Overall (All Time): #11,871 of 4,157,543Top 1%
110
Patents All Time

Issued Patents All Time

Showing 51–75 of 110 patents

Patent #TitleCo-InventorsDate
6019093 Air-fuel ratio control system for internal combustion engines 2000-02-01
6008783 Keyboard instrument with the display device employing fingering guide Masahito Kinpara 1999-12-28
5983875 Control system for plants Yuji Yasui, Shusuke Akazaki, Yusuke Hasegawa, Yoshihisa Iwaki 1999-11-16
5973076 Polybutene-1 resin composition and a method of accelerating the crystal transformation thereof Masafumi Yoshimura, Naoki Ikeda, Kazuaki Mizoguchi 1999-10-26
5931143 Air-fuel ratio control system based on adaptive control theory for internal combustion engines Hidetaka Maki 1999-08-03
5907115 Keyboard musical instrument with keyboard range indicator Hiroshi Matsunaga, Tatsuya Inaba, Toshinori Matsuda 1999-05-25
5902644 Coating with a base coat comprising a polyepoxy compound, a polycarboxy compound and melamine and a clear coat Yasumasa Okumura, Hiroshi Igarashi, Hironori Tonomura 1999-05-11
5898052 Base coat of polyepoxide, carboxyl groups-containing component and melamine Yasumasa Okumura, Hiroshi Igarashi, Hironori Tonomura 1999-04-27
5797384 Air-fuel ratio control system based on adaptive control theory for internal combustion engines Hidetaka Maki 1998-08-25
5729299 Knee correction Fuminori Suzuki 1998-03-17
5701871 Fuel supply control system for internal combustion engines Hiroki Munakata, Yoichi Nishimura, Shusuke Akazaki 1997-12-30
5696834 Stereo system and stereo method for electronic acoustical system 1997-12-09
5678402 Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto Seiji Hatcho, Tetsuya Kaneko, Akira Kato, Toshiaki Hirota, Masami Watanabe +1 more 1997-10-21
5661972 Air-fuel ratio control system for internal combustion engines Akira Katoh, Jun Takahashi 1997-09-02
5619976 Control system employing controller of recurrence formula type for internal combustion engines Hidetaka Maki, Norio Suzuki 1997-04-15
5613481 Control system having function of processing evaporative fuel for internal combustion engines Shusuke Akazaki, Hidetaka Maki 1997-03-25
5609023 Fuel supply control system for internal combustion engines Akira Katoh, Toshiaki Hirota 1997-03-11
5586544 Fuel injection amount control system for internal combustion engines and intake passage wall temperature-estimating device used therein Toru Kitamura, Akira Katoh, Katsuhiro Kumagai, Sachito Fujimoto, Shunichi Tsuzuki +2 more 1996-12-24
5542393 Fuel injection amount control system for internal combustion engines Akira Katoh, Shunichi Tsuzuki, Jun Takahashi, Sachito Fujimoto, Toshiaki Hirota 1996-08-06
5508742 Color video camera apparatus using a CD includes a matrix circuit having matrix coefficients adjustable independence on the color signals Jurgen Geerlings, Kazumasa Igarashi 1996-04-16
5505174 EGR rate estimation system for internal combustion engine Isao Komoriya, Yusuke Hasegawa, Hidetaka Maki, Shusuke Akazaki, Toru Kitamura 1996-04-09
5478968 Stereophonic sound generation system using timing delay Gen Izumisawa 1995-12-26
5473108 Electronic keyboard musical instrument capable of varying a musical tone signal according to the velocity of an operated key Eiji Matsuda, Gen Izumisawa 1995-12-05
5444099 Tertiary aminoalcohol ane process for producing the same, and, polyurethane and process for producing the same Hiroshi Abe, Tetsuaki Fukushima, Kohshiro Sotoya, Shoichiro Harada, Masayoshi Morii +1 more 1995-08-22
5441031 Evaporative fuel processing system for internal combustion engine Takashi Kiyomiya, Takeshi Suzuki, Hideo Watanabe, Shoji Takahashi, Kazumi Yamazaki +5 more 1995-08-15