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

Daisuke Akagi — 24 Patents

Canon: 24 patents #2,555 of 19,416Top 15%
Tokyo, JP: #5,997 of 90,295 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Daisuke Akagi has been granted 24 US patents while listed as an inventor at Canon. The first was granted in 2014 and the most recent in June 2025. Daisuke Akagi ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Daisuke Akagi in Tokyo, JP.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 5 patents in 2020.peak 52014: 1 patents20142016: 3 patents20162017: 1 patents20172018: 1 patents20182019: 2 patents20192020: 5 patents20202021: 3 patents20212022: 4 patents20222024: 1 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12332579 Light emitting chip including a plurality of light emitting units and image forming 2025-06-17
12259666 Image forming apparatus 2025-03-25
12242208 Light-emitting chip including plurality of light-emitting portions, and image-forming apparatus 2025-03-04
12085869 Light-emitting device and image forming apparatus 2024-09-10
11451687 Image reading apparatus with detection of abnormal pixels Katsuhiro Ishido 2022-09-20 $40,000
11363159 Line sensor, image reading device, and image forming apparatus Masanori Ogura, Jun Iba, Atsushi Furubayashi 2022-06-14 $51,000
11330127 Image reading apparatus and image forming apparatus Satoshi Seki, Kaoru Hamada 2022-05-10 $38,000
11290669 Image reading apparatus and image forming apparatus 2022-03-29 $63,000
11133119 Image reading apparatus 2021-09-28 $74,000
11025801 Image reading apparatus with detection of abnormal pixels Katsuhiro Ishido 2021-06-01 $42,000
10887473 Image reading apparatus and image forming apparatus for detecting whether sheet is protruding from readable range 2021-01-05 $35,000
10812673 Line sensor, image reading device, and image forming apparatus Masanori Ogura, Jun Iba, Atsushi Furubayashi 2020-10-20 $37,000
10602002 Image reading apparatus and image forming apparatus for detecting whether sheet is protruding from readable range 2020-03-24 $25,000
10582092 Image reading apparatus with correction for sub-scanning color shifts, image forming apparatus, image reading method, and computer readable non-transitory storage medium Katsuhiro Ishido 2020-03-03 $25,000
10567621 Image reading apparatus Katsuhiro Ishido 2020-02-18 $17,000
10554847 Image reading apparatus and image reading method 2020-02-04 $20,000
10412253 Line sensor, image reading device, and image forming apparatus Masanori Ogura, Jun Iba, Atsushi Furubayashi 2019-09-10 $22,000
10171708 Image reading apparatus Katsuhiro Ishido 2019-01-01
10063732 Line sensor, image reading device, and image forming apparatus Masanori Ogura, Jun Iba, Atsushi Furubayashi 2018-08-28 $30,000
9658559 Image forming apparatus that forms image using a plurality of light beams 2017-05-23 $30,000
9425584 Laser drive device that drives laser diode, method of controlling the same, and storage medium 2016-08-23 $35,000
9256154 Image forming apparatus with dark current compensation for automatic power control (APC) 2016-02-09 $28,000
9250562 Image forming apparatus 2016-02-02 $28,000
8922613 Light beam scanning device that performs high-accuracy light amount control, method of controlling the device, storage medium, and image forming apparatus 2014-12-30 $34,000