YS

Yoshihiro Sakai

Ricoh Company: 34 patents #505 of 9,818Top 6%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
NC Nhk Spring Co.: 4 patents #192 of 1,116Top 20%
BL Bridgestone Tire Company Limited: 3 patents #79 of 438Top 20%
KA Kao: 3 patents #1,053 of 3,221Top 35%
YE Yaskawa Electric: 2 patents #368 of 1,006Top 40%
NE Nec: 2 patents #5,510 of 14,502Top 40%
FC Fuji Electric Co.: 2 patents #952 of 2,643Top 40%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
JC Janome Sewing Machine Co.: 2 patents #82 of 229Top 40%
SO Sony: 2 patents #12,963 of 25,231Top 55%
KK Kanto Kagaku: 1 patents #73 of 181Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
TO Tokuyama: 1 patents #280 of 562Top 50%
📍 Hachioji, MO: #2 of 5 inventorsTop 40%
Overall (All Time): #32,683 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 1–25 of 66 patents

Patent #TitleCo-InventorsDate
11891911 Corrosion monitoring device Yohsuke Abe, Sakae Izumi 2024-02-06
11162199 Sewing machine Saki YASUMOTO, Shuichi Sato 2021-11-02
10260187 Foot controller of sewing machine 2019-04-16
9033649 Corrosive environment monitoring system and corrosive environment monitoring method Hideo Kato, Kenji Nakamura, Mitsuo Yamashita 2015-05-19
8485582 Storage device for vehicle Yuji Saitoh, Junpei Okuno 2013-07-16
7696713 Drive control method, drive control device, belt apparatus, image forming apparatus, image reading apparatus, computer product Makoto Komatsu, Toshiyuki Andoh 2010-04-13
7637045 Surface light source and electrically illuminated signboard 2009-12-29
7636540 Belt driving unit and, method of switching the control loop between a normal and abnormal control loop 2009-12-22
7606514 Belt driving apparatus, image forming apparatus, belt driving method, and computer-readable medium for driving a belt 2009-10-20
7576509 Drive control method, drive control device, belt apparatus, image forming apparatus, image reading apparatus, computer product Makoto Komatsu, Toshiyuki Andoh 2009-08-18
7532370 Optical encoder, motor driver and image forming apparatus Koichi Kudo, Takuroh Kamiya, Katsuya Kawagoe, Ryuuichi Mimbu, Junya Takigawa +1 more 2009-05-12
7517105 Surface light source and electrically illuminated signboard 2009-04-14
7424255 Device and method for belt speed control, and image forming apparatus 2008-09-09
7303808 Bulky sheet material having three-dimensional protrusions Shoichi Taneichi, Manabu Kaneta, Yasuhiro Komori, Takanobu Miyamoto, Wataru Saka 2007-12-04
7170258 Electrical device for charging batteries 2007-01-30
7133630 Belt device, image forming apparatus, and method to control belt speed 2006-11-07
7102797 Image reading device and image forming apparatus including the image reading device 2006-09-05
7076195 Endless belt unit, image forming apparatus, and method of driving and controlling belt member 2006-07-11
6969269 Battery charger 2005-11-29
6947693 Image forming apparatus including rotary member speed detection mechanism Takuroh Kamiya, Junya Takigawa, Katsuya Kawagoe, Ryuuichi Mimbu, Toshiyuki Andoh +1 more 2005-09-20
6750445 Encoder Hidenori Hasegawa 2004-06-15
6713033 Process for producing hydrophilic ODS packing material made of silica gel Yutaka Sawada, Norihiro Omori, Suzue Ota 2004-03-30
6504146 Disk-mounting structure for optical encoder Kazuo Tashiro 2003-01-07
RE37197 Device for regenerating printed sheet-like recording medium Toru Iida, Michihito Ohashi, Shin-ichi Kuramoto, Shunichi Chiba, Yasuo Asahina +1 more 2001-05-29
6063472 Architectural material and a process of production thereof Toshihiro Takaoka, Tadashi Fujimoto 2000-05-16