HT

Hiroaki Tsuchiya

Canon: 22 patents #2,832 of 19,416Top 15%
KS Kyocera Document Solutions: 19 patents #104 of 1,545Top 7%
MC Mita Industrial Co.: 9 patents #140 of 891Top 20%
KM Kyocera Mita: 5 patents #110 of 763Top 15%
UK Ueno Seiyaku Oyo Kenkyujo: 4 patents #18 of 76Top 25%
IJ Ishikawajima-Harima Jukogyo: 3 patents #47 of 494Top 10%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #33,480 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 1–25 of 65 patents

Patent #TitleCo-InventorsDate
12304193 Drying device and image forming system 2025-05-20
10397419 Hinge mechanism and image forming apparatus 2019-08-27
10126701 Lock structure and image forming apparatus 2018-11-13
10116822 Optical scanning device and image forming apparatus including the same 2018-10-30
10067464 Optical scanning device and image forming apparatus including the same 2018-09-04
9948064 Method of manufacturing semiconductor device, and semiconductor device Harunaka YAMAGUCHI, Eiji Nakai 2018-04-17
9939751 Charging device and image forming apparatus Koichi Imanaka, Kenichi Mukai 2018-04-10
9715212 Toner container and image forming apparatus 2017-07-25
9541891 Image forming apparatus 2017-01-10
9441764 Cable fastener, image forming apparatus 2016-09-13
9354595 Toner container and image forming apparatus including the toner container 2016-05-31
9317003 Toner container and image forming apparatus including thereof 2016-04-19
9261856 Toner container and image forming apparatus including thereof 2016-02-16
9042771 Attachment structure for operation unit and image forming apparatus 2015-05-26
9026032 Member moving mechanism and image forming apparatus 2015-05-05
8977161 Image forming apparatus and light scanning device 2015-03-10
8903276 Arm unit with reduced spring load 2014-12-02
8736654 Optical scanning device and image forming apparatus including the same Issei Nakano 2014-05-27
8698867 Housing immobilizing mechanism, image forming apparatus, and housing immobilizing method 2014-04-15
8576268 Optical device, optical member and image forming apparatus with the same 2013-11-05
8565636 Member moving mechanism and image forming apparatus 2013-10-22
8204401 Image forming apparatus with exterior access 2012-06-19
7929895 Image forming apparatus 2011-04-19
7848675 Image forming apparatus 2010-12-07
7764409 Manuscript conveyer guide used for a manuscript reader unit 2010-07-27