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

Mitsuhiro Sato — 84 Patents

Canon: 37 patents #1,292 of 19,416Top 7%
OCOlympus Optical Co.: 12 patents #242 of 2,334Top 15%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
MCMurata Manufacturing Co.: 9 patents #868 of 5,295Top 20%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
KSKobe Steel: 2 patents #616 of 1,773Top 35%
Panasonic: 1 patents #13,316 of 21,108Top 65%
HCHitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
Kubota: 1 patents #1,212 of 2,059Top 60%
NINgk Insulators: 1 patents #1,271 of 2,083Top 65%
OLOlympus: 1 patents #2,078 of 3,097Top 70%
TCTaisei Lamick Co.: 1 patents #3 of 11Top 30%
Overall (All Time): #20,511 of 4,157,543Top 1%
84 Patents All Time
Mitsuhiro Sato has been granted 84 US patents while listed as an inventor at Canon. The first was granted in 1980 and the most recent in December 2025. Mitsuhiro Sato ranks #20,511 of 4,157,543 US inventors in our database (top 0.49%). Patent records list Mitsuhiro Sato in Tokyo, MH, JP.

Patents per Year

Patents granted per year, 1980 to 2025Bar chart with a peak of 22 patents in 2024.peak 221980: 1 patents19801981: 1 patents1997: 1 patents1998: 3 patents19981999: 1 patents2000: 3 patents2001: 4 patents20012002: 4 patents2003: 5 patents2004: 1 patents20042005: 1 patents2006: 1 patents2007: 1 patents20072008: 4 patents2010: 1 patents2011: 1 patents20112017: 1 patents2019: 5 patents2020: 1 patents20202021: 3 patents2022: 1 patents2023: 7 patents20232024: 22 patents2025: 11 patents2025

Issued Patents All Time

Showing 1–25 of 84 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12487543 Toner container and image forming system Hiroyuki Munetsugu, Hiroshi Takarada 2025-12-02
12468241 Toner container and image forming system Hiroyuki Munetsugu, Masaru Sato 2025-11-11
12455517 Container having a shutter and a cap mounted to the shutter to cover an end portion of the container Hiroyuki Munetsugu, Sohta Sugimoto 2025-10-28
12443126 Image forming apparatus and developing cartridge Yu Fukasawa, Yuuichi Kubo, Daisuke Abe, Masahiro Suetsugu, Kengo Sakai 2025-10-14
12416880 Toner container Goshi Ozaki, Shinichi Nishida, Hiroyuki Munetsugu, Sohta Sugimoto, Masahiro Suetsugu +1 more 2025-09-16
12411452 Image forming apparatus Yuichiro Okawa, Noritomo Yamaguchi, Kazuhiro Hosohara, Takeo Kawanami, Shinichi Nishida +4 more 2025-09-09
12346041 Image forming apparatus and image forming system Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto +3 more 2025-07-01
D1081786 Toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2025-07-01
D1081785 Toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2025-07-01
12235598 Developing device and image forming apparatus Sohta Sugimoto, Shinichi Nishida, Hiroyuki Munetsugu, Goshi Ozaki, Masahiro Suetsugu 2025-02-25
12228866 Image forming apparatus and developing cartridge Yu Fukasawa, Yukio Kubo, Daisuke Abe, Masahiro Suetsugu, Kengo Sakai 2025-02-18
12130567 Developer container and image forming system including detachable cap Hiroyuki Munetsugu, Shinjiro Toba 2024-10-29
12124189 Container Shinjiro Toba, Hiroyuki Munetsugu 2024-10-22
12124190 Toner container including guiding portion with a guiding surface Yuichi Fukui, Goshi Ozaki, Tetsushi Uneme, Hiroyuki Munetsugu 2024-10-22
12105441 Toner container and image forming system Hiroyuki Munetsugu, Hiroshi Takarada 2024-10-01
D1043812 Toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2024-09-24
12092973 Image forming apparatus Goshi Ozaki, Hiroyuki Munetsugu, Shinichi Nishida, Sohta Sugimoto, Masahiro Suetsugu 2024-09-17
12066769 Toner container having a shutter and an engaging portion exposed from the shutter Masaaki Sato, Hiroyuki Munetsugu, Isao Koishi, Hiroshi Takarada, Shohei Katsuya +2 more 2024-08-20
D1035769 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2024-07-16
D1031832 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2024-06-18
12001155 Container with shield for shielding a discharge opening thereof Yukio Kubo, Hiroyuki Munetsugu, Takashi Kimura, Yuko Harada 2024-06-04
D1028078 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2024-05-21
D1028075 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2024-05-21
11977344 Image forming apparatus and image forming system Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto +3 more 2024-05-07
D1023144 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Yuichi Fukui, Goshi Ozaki +1 more 2024-04-16