Patents/Inventors

Jun Tsuneyoshi

ChibaJP2 patents

2 Patents

US124932652025
Hairspring, Timepiece Movement, and Timepiece
Seiko Watch Kabushiki Kaisha (Trading As Seiko Watch Corporation)
0 cites
US116189302023
Personal Ornament and Method for Producing Personal Ornament
Seiko Watch Kabushiki Kaisha
0 cites