MY

Masao Yamaguchi

KT Kabushiki Kaisha Toshiba: 55 patents #288 of 21,451Top 2%
TK Toshiba Tec Kabushiki Kaisha: 27 patents #96 of 1,664Top 6%
Tdk: 20 patents #264 of 3,796Top 7%
EN Enplas: 16 patents #13 of 255Top 6%
TO Tokuyama: 13 patents #15 of 562Top 3%
SC Sanyo Electric Co.: 9 patents #569 of 6,347Top 9%
TL Tokyo Electron Limited: 7 patents #1,084 of 5,567Top 20%
NC Nippon Soda Co.: 6 patents #65 of 648Top 15%
HC Hirose Electric Co.: 5 patents #71 of 407Top 20%
HC Horiba Stec, Co.: 4 patents #34 of 163Top 25%
S- S-Tec: 4 patents #16 of 93Top 20%
AC Aps Japan Co.: 3 patents #6 of 7Top 90%
TC Tokyo Magnetic Printing Co.: 3 patents #9 of 46Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
NT Nec Tokin: 2 patents #100 of 299Top 35%
NC Nihon Dempa Kogyo Co.: 1 patents #180 of 296Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
TL Tokyo Electron Yamanashi Limited: 1 patents #52 of 138Top 40%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
Overall (All Time): #4,818 of 4,157,543Top 1%
169
Patents All Time

Issued Patents All Time

Showing 51–75 of 169 patents

Patent #TitleCo-InventorsDate
7602541 Optical beam scanning apparatus and image forming apparatus 2009-10-13
7589495 Battery pack with switching device Kazuhiro Hitomi 2009-09-15
7528578 Power supply apparatus Mikitaka Tamai, Hiroyoshi Yamamoto 2009-05-05
7508565 Optical beam scanning apparatus, method of manufacturing optical beam scanning apparatus, image forming apparatus and method of manufacturing image forming apparatus 2009-03-24
7486045 Battery pack, electrical device connectable to battery pack, and method of identifying battery pack type Atsushi Sakai 2009-02-03
7468823 Optical beam scanning device, image forming apparatus and lens 2008-12-23
7443557 Optical beam scanning apparatus and image forming apparatus 2008-10-28
7408325 Battery charging method Hiroyoshi Yamamoto, Mikitaka Tamai 2008-08-05
7404894 Portable water cleaner 2008-07-29
D573496 Measuring device for bio-sensor Shunichi Wakamatsu, Hiroyuki Kukita, Takayuki Isikawa 2008-07-22
7348723 Emission device, surface light source device, display and light flux control member Shingo Ohkawa 2008-03-25
7220881 Process for production of acid anhydride Hirofumi Shiigi, Eiji Ohshima 2007-05-22
7208692 Operating switch mechanism 2007-04-24
7119935 Light scanning unit for use in image forming apparatus 2006-10-10
7087798 Process for preparation of spirofluorenols Hirohumi Shiigi, Noriyuki Fukada, Kenji Tanaka 2006-08-08
7084435 Light emitting device using LED Masaru Sugimoto, Takuma Hashimoto, Koji Nishioka, Ryoji Yokotani, Hideyoshi Kimura +2 more 2006-08-01
7071352 Processes for preparation of 2-alkyl-2-adamantyl esters Yoshihiro Hirota, Hiromasa Yamamoto 2006-07-04
7026504 Process for preparing alkyladamantyl esters and compositions Hiromasa Yamamoto, Hideki Kikuchi, Yoshihiro Hirota 2006-04-11
6992689 Light scanning unit for use in image forming apparatus 2006-01-31
6987112 Organic compound having cyano group and insecticides/miticides Yasushi Shibata, Renpei Hatano, Takao Iwasa, Satoru Makita, Daisuke Hanai +1 more 2006-01-17
6980342 Optical beam scanning device 2005-12-27
6975095 Remaining battery capacity computation system Kozo Ooi, Mikitaka Tamai 2005-12-13
6969973 Apparatus for calculating remaining battery capacity Kozo Ooi 2005-11-29
6960871 Piezoelectric transformer Katsunori Kumasaka 2005-11-01
6888655 Optical beam scanning device 2005-05-03