Inventor
SUGANO TAKAO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “SUGANO TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKUYO KK
17 patentsUS5102196AApr 7, 1992
Chair provided with a backrest
KOKUYO KK280 citations96
US4966411AOct 30, 1990
Chair provided with a backrest
KOKUYO KK194 citations96
US5718474AFeb 17, 1998
Foldable chair
KOKUYO KK41 citations91
US5634684AJun 3, 1997
Foldable chair
KOKUYO KK29 citations91
US10820704B2Nov 3, 2020
Chair and seat support mechanism
KOKUYO KK11 citations84
US10842276B2Nov 24, 2020
Chair and cover member of the chair
KOKUYO KK9 citations83
US11540637B2Jan 3, 2023
Seat, chair, and load support body
KOKUYO KK4 citations75
US11253077B2Feb 22, 2022
Chair with return force mechanism
KOKUYO KK3 citations72
US11202509B2Dec 21, 2021
Chair
KOKUYO KK2 citations71
US10918211B2Feb 16, 2021
Chair and seat support mechanism
KOKUYO KK2 citations71
US10881208B2Jan 5, 2021
Chair and seat support mechanism
KOKUYO KK4 citations71
US11533998B2Dec 27, 2022
Chair
KOKUYO KK5 citations68
US11096495B2Aug 24, 2021
Chair
KOKUYO KK1 citations61
US10806260B2Oct 20, 2020
Chair
KOKUYO KK1 citations61
US12114784B2Oct 15, 2024
Chair having a movable seat
KOKUYO KK0 citations51
US11297951B2Apr 12, 2022
Chair whose seat swings in a front-rear direction and a left-right direction
KOKUYO KK0 citations51
US11103069B2Aug 31, 2021
Chair
KOKUYO KK0 citations50
FUJITSU LTD
9 patentsUS6118463ASep 12, 2000
Positional error correction for color image forming apparatus
FUJITSU LTD73 citations94
US6411325B1Jun 25, 2002
Optical unit, and electrophotographic recording device having same
FUJITSU LTD26 citations92
US6236040B1May 22, 2001
Image forming apparatus
FUJITSU LTD20 citations92
US5864739AJan 26, 1999
Light source package incorporating thermal expansion compensating device and image forming apparatus using the same
FUJITSU LTD33 citations91
US6466247B1Oct 15, 2002
Timing control of light beam scan
FUJITSU LTD12 citations73
US6333756B1Dec 25, 2001
Optical unit and its manufacturing method and electrophotographic recording device
FUJITSU LTD11 citations72
US5764270AJun 9, 1998
Image forming apparatus with a plurality of image forming units
FUJITSU LTD9 citations71
US5724087AMar 3, 1998
Image forming apparatus and method for correcting a scanning line bend
FUJITSU LTD14 citations71
US6191804B1Feb 20, 2001
Image forming apparatus
FUJITSU LTD6 citations59