MM

Masao Mafune

CC Citizen Watch Co.: 2 patents #12 of 93Top 15%
📍 Kawagoe, JP: #15 of 124 inventorsTop 15%
Overall (2003): #53,455 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6661743 Electronic device with display section Masahiro Sase, Kenji Fujita 2003-12-09
6580665 Electronic timepiece having power generating function Yasuo Kamiyama, Tomomi Murakami, Yoichi Nagata 2003-06-17