Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TI

Toshifumi Itabashi — 18 Patents

Canon: 17 patents #3,944 of 19,416Top 25%
Moriya, JP: #35 of 174 inventorsTop 25%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Toshifumi Itabashi has been granted 18 US patents while listed as an inventor at Canon. The first was granted in 2002 and the most recent in November 2025. Toshifumi Itabashi ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Toshifumi Itabashi in Moriya, JP.

Patents per Year

Patents granted per year, 2002 to 2023Bar chart with a peak of 3 patents in 2011.peak 32002: 1 patents20022009: 1 patents2010: 1 patents20102011: 3 patents2012: 3 patents20122014: 1 patents2015: 1 patents20152017: 1 patents2018: 2 patents20182019: 1 patents2022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12481241 Image forming system Hajime Sekiguchi, Hiroyuki Nakagawa 2025-11-25
11616886 Image formation apparatus Hiroto Koga, Hiroyuki Nakagawa, Ryo Hashizume, Sho Ota 2023-03-28
11334015 Sheet conveyance apparatus and image forming apparatus 2022-05-17 $36,000
10474080 Image forming apparatus Junichi Hirota 2019-11-12 $16,000
9994405 Sheet conveying apparatus and image forming apparatus Keiko Fujita 2018-06-12 $32,000
9860403 Sheet feeding apparatus, and reading apparatus and image forming apparatus using the same Akira Matsumoto 2018-01-02 $38,000
9624057 Sheet feeder and image forming apparatus Kakeru Takahashi 2017-04-18 $32,000
8979088 Sheet feeding apparatus and image forming apparatus 2015-03-17 $32,000
8827262 Sheet feeding apparatus and image forming apparatus Shinsuke Ubayashi, Hiroshige Inoue, Kozo Inoue, Isao Kannari 2014-09-09 $28,000
8238778 Image forming apparatus with vibration generating source and damping member Taro Ikeda 2012-08-07 $67,000
8172226 Sheet conveyance device and image forming apparatus Ayumu Murakami, Haruhisa Oshida, Yuichi Yamamoto, Yusuke Imai, Kiyoshi Oyama +1 more 2012-05-08 $100,000
8149473 Image reading apparatus Haruhisa Oshida, Yuichi Yamamoto, Ayumu Murakami, Takuma Koizumi, Kiyoshi Oyama +1 more 2012-04-03 $82,000
8020862 Sheet conveyance device, image forming apparatus and image reading apparatus Kiyoshi Oyama, Yusuke Imai, Takuma Koizumi, Ayumu Murakami, Yuichi Yamamoto +1 more 2011-09-20 $169,000
8020861 Sheet conveyance device and image forming apparatus Yusuke Imai, Kiyoshi Oyama, Takuma Koizumi, Ayumu Murakami, Yuichi Yamamoto +1 more 2011-09-20 $169,000
7900909 Sheet feeding apparatus and image forming apparatus Hiroshi Hiura, Takeshi Suga, Hajime Sekiguchi 2011-03-08 $124,000
7641188 Sheet feeding apparatus and image forming apparatus Hiroshi Hiura, Takeshi Suga, Hajime Sekiguchi 2010-01-05 $223,000
7548351 Image reading device and image forming apparatus Yusuke Imai, Kiyoshi Oyama, Takuma Koizumi, Ayumu Murakami, Yuichi Yamamoto +1 more 2009-06-16 $504,000
D466918 Toner supplying cartridge for photocopier Akihisa Shiozaki, Katsuya Murakami 2002-12-10