YM

Yoshifumi Maehara

SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
KC Kitagawa Industries Co.: 1 patents #58 of 112Top 55%
Overall (All Time): #2,137,951 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7575800 Sliding parts, precision parts and timepieces and electronic equipment using the same Morinobu Endo, Tetsuo Uchiyama, Akio Yamaguchi, Teruaki Yuoka, Hiroshi Aoyama +5 more 2009-08-18
7102963 Radio-wave clock Akihiro Matoge 2006-09-05