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

Daisuke Baba — 35 Patents

Canon: 18 patents #3,699 of 19,416Top 20%
Panasonic: 5 patents #5,184 of 21,108Top 25%
SCSk Materials Jnc Co.: 4 patents #6 of 25Top 25%
KFKwansei Gakuin Educational Foundation: 3 patents #15 of 71Top 25%
NCNidek Co.: 2 patents #161 of 365Top 45%
Brother Kogyo: 2 patents #1,845 of 2,767Top 70%
THTrustwave Holdings: 2 patents #16 of 54Top 30%
FLFujitsu Ten Limited: 1 patents #456 of 996Top 50%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Daisuke Baba has been granted 35 US patents while listed as an inventor at Canon. The first was granted in 2008 and the most recent in December 2025. Daisuke Baba ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Daisuke Baba in Osaka, CO, JP.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12510844 Toner accommodating container Masatake Tanaka 2025-12-30
12407915 Imaging apparatus Takaaki YAMASAKI, Tomoaki Tsutsumi, Kyosuke Osuka 2025-09-02
12282269 Cartridge and image forming apparatus Shohei Kototani, Masatake Tanaka, YOSUKE SUGITANI, Takashi Hiramatsu 2025-04-22
12047669 Imaging apparatus Takaaki YAMASAKI, Tomoaki Tsutsumi, Kyosuke Osuka 2024-07-23
11600790 Polycyclic aromatic compound for organic electroluminescent device Takuji Hatakeyama, Akio Tajima, Akihide MIZUTANI, Yuko Yamaga 2023-03-07
11471043 Subjective optometry apparatus Toshihiro Kobayashi, Yukito HIRAYAMA, Ryoji Suzuki, Kazunori Shibata 2022-10-18
11407774 Polycyclic aromatic compound Takuji Hatakeyama, Kohei Matsui, Yusuke Watanabe, Yasuyuki Sasada, Motoki Yanai +1 more 2022-08-09
11342511 Azoline ring-containing compound, electron transport/injection layer material containing the same, and organic electroluminescent element using the same Yohei Ono, Katsuya Masuda 2022-05-24
11139438 Organic electroluminescent element Takuji Hatakeyama, Yuko Yamaga, Kazushi SHIREN 2021-10-05
10983473 Drum cartridge including a cleaning member, for use with an image forming apparatus 2021-04-20 $54,000
10942470 Developing apparatus, process cartridge, and image forming apparatus Hirokazu Fujino, Naoki Fukushima, Atsushi Toda, Yosuke Kishi, Masahito Kato +1 more 2021-03-09 $68,000
10843496 Medium Kentaro Murayama, Harumitsu Inoue, Haruki Matsumoto, Kazuyuki Katagiri 2020-11-24
10761451 Developing apparatus for providing developer to an image bearing member and image forming apparatus having the developing apparatus Masahito Kato, Hirokazu Fujino, Naoki Fukushima, Atsushi Toda, Yosuke Kishi +1 more 2020-09-01 $23,000
10481539 Image forming apparatus Yuichiro Hirata 2019-11-19 $22,000
10438517 Medium and tape cartridge Kentaro Murayama, Kazuyuki Katagiri, Yukihiko Sato, Shota Iijima, Haruki Matsumoto +1 more 2019-10-08
10365587 Image forming apparatus, process cartridge, and developing apparatus including developing roller Go Shindo 2019-07-30 $32,000
10274885 Image forming apparatus having multiple image forming modes Yuichiro Hirata 2019-04-30 $18,000
10031461 Image forming apparatus having multiple image forming modes Yuichiro Hirata 2018-07-24 $28,000
9766571 Process cartridge with developing container for an image forming apparatus Makoto Tokudome, Masao Uyama, Yuichiro Hirata, Kodai Hayashi, Keisuke Mochizuki +1 more 2017-09-19 $30,000
9501032 Process cartridge having projected portions and recessed portions provided on surface of charging member and image forming apparatus thereof Shuhei Kawasaki, Makoto Tokudome, Shun Sato 2016-11-22 $29,000
9326680 Ophthalmic apparatus Kenichiro Makino, Hirokazu Nakamura, Toshiya Kobayashi 2016-05-03
9292286 Shuffle pattern generating circuit, processor, shuffle pattern generating method, and instruction sequence Kyoko Ueda 2016-03-22
9256157 Moving mechanism for a developing device, process cartridge and image forming apparatus that reduces or removes press-contact forces on a developer carrying member Makoto Tokudome, Yuichiro Hirata, Norihito Naito, Kodai Hayashi, Masao Uyama 2016-02-09 $28,000
9213257 Small-sized developing device and process cartridge having stable developer regulation Makoto Tokudome, Masao Uyama, Yuichiro Hirata, Kodai Hayashi, Keisuke Mochizuki +1 more 2015-12-15 $55,000
9176414 Charging device and image forming apparatus Shun Sato, Shuhei Kawasaki, Makoto Tokudome 2015-11-03 $68,000