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

Michiko Hirayu — 4 Patents

Canon: 4 patents #10,169 of 19,416Top 55%
Kawasaki, JP: #5,622 of 15,035 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Michiko Hirayu has been granted 4 US patents while listed as an inventor at Canon. The first was granted in 1996 and the most recent in June 2000. Michiko Hirayu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Michiko Hirayu in Kawasaki, JP.

Patents per Year

Patents granted per year, 1996 to 2000Bar chart with a peak of 2 patents in 2000.peak 21996: 1 patents19961999: 1 patents19992000: 2 patents2000

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6072941 Image processing apparatus and method which classifies images according to attributes Kazuyoshi Suzuki, Akihiko Sakai, Masahiro Iwadate 2000-06-06 $424,000
6031632 Image retrieval apparatus capable of printing a mark sheet for retrieval Kunio Yoshihara, Hiroshi Sumio, Masanori Sakai, Hidenori Ozaki, Ken Kuroda +2 more 2000-02-29 $416,000
5949555 Image processing apparatus and method Akihiko Sakai, Eiji Ohara, Yuka Nagai 1999-09-07 $200,000
5565964 Multifuncation image processing apparatus Hirohiko Tashiro, Toshiya Kanazawa, Hidehiko Asai 1996-10-15 $45,000