TM

Tsuyoshi Maruyama

Brother Kogyo: 13 patents #687 of 2,767Top 25%
MI Mitsuba: 9 patents #27 of 618Top 5%
SC Stanley Electric Co.: 6 patents #112 of 1,072Top 15%
Yamaha: 4 patents #621 of 2,001Top 35%
NC Nissin Kogyo Co.: 2 patents #101 of 334Top 35%
AC Ashimori Industry Co.: 1 patents #73 of 185Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
OC Orion Machinery Co.: 1 patents #7 of 30Top 25%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
DA Daicel: 1 patents #265 of 523Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KT Kanagawa Academy Of Science And Technology: 1 patents #44 of 105Top 45%
KI Kurita Water Industries: 1 patents #167 of 384Top 45%
Overall (All Time): #78,587 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8391728 Image forming apparatus and voltage applying device comprising a control unit for controlling another control unit when the other control unit is abnormally restarted Masahito Hamaya, Katsumi Inukai 2013-03-05
8256161 Automatic opening/closing apparatus for vehicle Kei Nagai, Hiroki Kuroiwa, Takahisa Miura, Wataru Suzuki, Akihiro Kaihatsu 2012-09-04
8259353 Image forming apparatus Masahito Hamaya 2012-09-04
8249473 Image forming apparatus with reduced deterioration of the carrier carrying developer 2012-08-21
8203066 Pedal apparatus and electronic keyboard apparatus having the same 2012-06-19
7905558 Vehicular brake hydraulic control device Takayuki Wagu 2011-03-15
7899351 Image forming device Masahito Hamaya, Kazushi Shumiya 2011-03-01
7084422 Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers Kazuhisa Ishii, Ken Sasakura, Shotaro Tomita, Keizo Kawaguchi, Toshio Tomiyoshi 2006-08-01
6900467 Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers Kazuhisa Ishii, Ken Sasakura, Shotaro Tomita, Keizo Kawaguchi, Toshio Tomiyoshi 2005-05-31
6593602 Edge emission type semiconductor device for emitting super luminescent light, its manufacture and spatial optical communication device Ji-Hao Liang, Yoshihiro Ogawa, Ken Sasakura 2003-07-15
6520670 Light radiating device with large beam spot size and spatial optical communication device Ji-Hao Liang, Kazuhisa Ishii 2003-02-18
5832736 Disk heat exchanger , and a refrigeration system including the same Masuo Yoshioka, Hiromoto Ohta 1998-11-10
5445706 Wet treatment adapted for mirror etching ZnSe Yasuo Okuno, Hitoshi Tamura 1995-08-29
5040967 Means for vertically moving a ram in a compression molding machine 1991-08-20
5038669 RAM piston with internal reservoir and check valve 1991-08-13