HW

Hirofumi Watanabe

Ricoh Company: 38 patents #399 of 9,818Top 5%
Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
MK Mitsui Kinzoku Kogyo: 12 patents #3 of 99Top 4%
HS Hitachi Automotive Systems: 11 patents #120 of 1,636Top 8%
MC Mitsui Mining & Smelting Co.: 5 patents #110 of 838Top 15%
SO Sony: 5 patents #7,785 of 25,231Top 35%
MA Mitsui Kinzoku Act: 3 patents #30 of 109Top 30%
HA Hitachi Astemo: 3 patents #267 of 1,276Top 25%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
JM Jx Metals: 2 patents #8 of 59Top 15%
KS Kobe Steel: 2 patents #857 of 2,031Top 45%
MC Mizusawa Industrial Chemicals: 2 patents #29 of 90Top 35%
SM Smc: 2 patents #375 of 737Top 55%
TW The Japan Steel Works: 2 patents #158 of 643Top 25%
CF Chubu University Educational Foundation: 2 patents #2 of 38Top 6%
JG Jgc: 1 patents #137 of 393Top 35%
DC Dainichiseika Color & Chemicals Mfg. Co.: 1 patents #184 of 376Top 50%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
HC Honshu Paper Co.: 1 patents #8 of 24Top 35%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
KC Kobelco Construction Machinery Co.: 1 patents #243 of 422Top 60%
JM Jx Nippon Mining & Metals: 1 patents #167 of 262Top 65%
Overall (All Time): #10,126 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 76–100 of 119 patents

Patent #TitleCo-InventorsDate
6921199 Temperature sensor Hideyuki Aota 2005-07-26
6882135 Voltage generating circuit and reference voltage source circuit employing field effect transistors Shunsuke Andoh 2005-04-19
6876251 Reference voltage source circuit operating with low voltage 2005-04-05
6781350 Automotive dynamo controller Shiro Iwatani, Tatsuki Kouwa 2004-08-24
6600305 Voltage generating circuit and reference voltage source circuit employing field effect transistors Shunsuke Andoh 2003-07-29
6527313 Latch device for trunk lid of vehicle trunk room Akira Takahashi, Miki Ogino 2003-03-04
6437550 Voltage generating circuit and reference voltage source circuit employing field effect transistors Shunsuke Andoh 2002-08-20
6406073 Vehicle door latch device with double action mechanism 2002-06-18
6384551 Control apparatus for AC generator for gradually changing output voltages when changing operating modes 2002-05-07
6343817 Vehicle door latch device with double action mechanism 2002-02-05
6271730 Voltage-controlled oscillator including current control element Hiroyuki Abe, Yasuyuki Shindoh 2001-08-07
6223845 Hydraulic excavator with engine intake air cleaner arrangement Isao Miyachi 2001-05-01
6215284 Control device of A.C. generator for vehicle Keiichi Komurasaki 2001-04-10
6204643 Controller for car AC generator Tatsuki Kouwa, Keiichi Komurasaki 2001-03-20
6089649 Opening and closing device for vehicle slide door Yoshikazu Hamada, Mitsuhiro Watanabe 2000-07-18
6075404 Substrate biasing circuit and semiconductor integrated circuit device Yasuyuki Shindoh 2000-06-13
6005372 Vehicle generator controller Tatsuki Kouwa, Keiichi Komurasaki 1999-12-21
5938251 Powered closing device for a vehicle door with a safety mechanism 1999-08-17
5913563 Powered sliding device for vehicle sliding door Tetsuro Mizuki, Mitsuhiro Watanabe, Yuji Yoda, Hitoshi Yokouchi, Manabu Nakajima +1 more 1999-06-22
5900721 Control device for a vehicle a.c. generator Tatsuki Kouwa, Keiichi Komurasaki 1999-05-04
5884433 Tension adjusting apparatus for use in vehicle door powered sliding device Daisaku Matsuo 1999-03-23
5886500 Vehicle generator controller Shiro Iwatani, Keiichi Komurasaki 1999-03-23
5832669 Latch device for vehicle sliding door Tetsuro Mizuki, Yuji Yoda, Hitoshi Yokouchi 1998-11-10
5833301 Powered sliding device for vehicle sliding door Mitsuhiro Watanabe, Daisaku Matsuo 1998-11-10
5825673 Device, method, and software products for extracting circuit-simulation parameters 1998-10-20