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 51–75 of 119 patents

Patent #TitleCo-InventorsDate
8387381 Electric booster Takayuki Ohno, Takuya Obata, Daisuke Yasukawa 2013-03-05
8174319 Amplifier Hideyuki Aota 2012-05-08
8037639 Door opening/closing device Takuya Kakumae, Kazuhito Yokomori, Nobuo Sugawara 2011-10-18
8007027 Door operating apparatus, electromagnetic clutch, and coupling mechanism Takuya Kakumae 2011-08-30
7934429 Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same Naohiro Ueda 2011-05-03
7845706 Electric actuator of automotive pivotal door Takuya Kakumae 2010-12-07
7843253 Reference voltage generating circuit and constant voltage circuit Hideyuki Aota 2010-11-30
7801443 Automatic circulation collection type data collecting system Takashi Hiraga, Ichiro Ueno, Noritaka Yamamoto, Toshiko Mizokuro, Nobutaka Tanigaki +3 more 2010-09-21
7735375 Stress-distribution detecting semiconductor package group and detection method of stress distribution in semiconductor package using the same Naohiro Ueda 2010-06-15
7615844 Semiconductor device 2009-11-10
7592854 Temperature sensing circuit 2009-09-22
7585101 Extruder and cylinder exchanging method thereof Kazuhiro Kodate 2009-09-08
7530730 Heat exchanging mechanism for a cylinder of an extruder Kazuhiro Kodate 2009-05-12
D578147 Electric actuator Yoshihiro Fukano, Ryuichi Masui, Masaru Saitoh, Hidemi Yamamoto 2008-10-07
7429073 Door operating apparatus, electromagnetic clutch, and coupling mechanism Takuya Kakumae 2008-09-30
7425753 Semiconductor device Hidenori Kato, Masahide Mori 2008-09-16
7426146 Reference voltage generating circuit and constant voltage circuit Hideyuki Aota 2008-09-16
7370905 Door-opening/closing apparatus 2008-05-13
7368715 Semiconductor apparatus and infrared light sensor 2008-05-06
7335967 Semiconductor device 2008-02-26
7176659 Vehicle electrical power supply system for supplying power to a high power load Yoshihito Asao, Katsumi Adachi, Shirou Iwatani, Kyoji Matsumura, Tuneji Goda 2007-02-13
7156447 Door-opening/closing apparatus 2007-01-02
7080861 Anti-panic mechanism of vehicle door latch device 2006-07-25
7078954 Temperature sensing circuit 2006-07-18
7033072 Temperature sensor Hideyuki Aota 2006-04-25