YI

Yasuo Ichikawa

CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
KC Kobelco Construction Machinery Co.: 1 patents #243 of 422Top 60%
KC Kobelco Cranes Co.: 1 patents #30 of 55Top 55%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
VA Valqua: 1 patents #29 of 42Top 70%
📍 Kasai, JP: #1,570 of 5,842 inventorsTop 30%
Overall (All Time): #912,546 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12331770 Structure unit Daisuke Takaoka 2025-06-17
10373768 Method for producing electrode film for electric double layer capacitors Masaaki Nose 2019-08-06
9139404 Raisable-lowerable member Keiko INADA, Hitoshi Kurotsu, Daisuke Takaoka, Eiji Miya 2015-09-22
4960337 Ribbon mask for a printer Toshikiyo Kato, Wataru Ito, Hiroshi Ikeda, Yoshio Kamata 1990-10-02
4735286 Detector for detecting malfunction of lubricating oil feeder Toshio Miki, Satosi Ogawa 1988-04-05