KM

Kazutaka Matsumoto

Sharp Kabushiki Kaisha: 13 patents #1,272 of 10,731Top 15%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
OL Olympus: 5 patents #926 of 3,097Top 30%
OC Olympus Optical Co.: 2 patents #1,178 of 2,334Top 55%
IL Isuzu Motors Limited: 1 patents #414 of 908Top 50%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
📍 Sakai, NJ: #1 of 3 inventorsTop 35%
Overall (All Time): #128,029 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12360474 Image-forming apparatus and method for suppressing generation of a density level difference caused by reciprocity failure Shota Kaneko 2025-07-15
12304223 Optical scanning device, image forming apparatus, and control method Ryotaro Kuroda 2025-05-20
12111595 Optical scanning device, image forming apparatus, and control method for proper initialization of laser driver 2024-10-08
12046088 Durability life management device of power transmission system and durability life management method of power transmission system Mitsuhiko Itaya, Kenta Muranaga, Masanari Akiyama, Kazuki Ishimori 2024-07-23
11984702 Optical scanning device, image-forming apparatus, and control method Hiroyuki Asoda 2024-05-14
11537059 Image forming device 2022-12-27
11531287 Optical scanning device, image forming apparatus, and method for selecting component 2022-12-20
11415908 Multi-beam light source driving device and image forming apparatus including same, and multi-beam light source driving method 2022-08-16
10990030 Shading correction signal generation device, multifunction apparatus, and shading correction signal generation method for generating shading correction signal having desired level 2021-04-27
9170521 Light beam detection circuit, light beam scan unit and image forming apparatus to detect light beam that changes light-amount thereof 2015-10-27
8581971 Endoscope system Shinichi Miyamoto, Takayuki Kameya, Katsushi Watanabe, Takeaki Nakamura 2013-11-12
8544843 Paper transport device, document reading apparatus provided with the same, and image forming apparatus provided with the same 2013-10-01
8531496 Image forming apparatus having a plurality of laser elements 2013-09-10
8022979 Endoscope system Shinichi Miyamoto, Takayuki Kameya, Katsushi Watanabe, Takeaki Nakamura 2011-09-20
7766819 Endoscope and endoscope tip forming member 2010-08-03
7748693 Sheet carrying device, document carrying device, image forming apparatus, and sheet carrying method 2010-07-06
7748694 Sheet carrying device, document carrying device, image forming apparatus, and sheet carrying method 2010-07-06
7604154 Thermosetting flux and solder paste Masahiro Tadauchi, Izuru Komatsu 2009-10-20
D575399 Endoscope Eijiro SATO, Kaoru Tsuruoka, Masanori Yajima 2008-08-19
D549332 Endoscope Eijiro SATO, Kaoru Tsuruoka, Masanori Yajima 2007-08-21
7026379 Copolymer resin composition and production process thereof Yumiko Oyasato, Shinetsu Fujieda 2006-04-11
6673310 Solder material, device using the same and manufacturing process thereof Masahiro Tadauchi, Izuru Komatsu, Hiroshi Tateishi, Kouichi Teshima, Tetsuji Hori 2004-01-06
6494827 Endoscope device and operation apparatus Hiroyuki Sangu, Itaru Osaki, Masakazu Gotanda, Seiichi Hosoda, Shinji Hatta +6 more 2002-12-17
6135947 Endoscope apparatus having light source movable between on and off positions Katsushi Watanabe, Takashi Suzuki 2000-10-24
6054222 Epoxy resin composition, resin-encapsulated semiconductor device using the same, epoxy resin molding material and epoxy resin composite tablet Hiromichi Takami, Satoshi Takayama, Tetsuo Okuyama 2000-04-25