Shinya Tamura

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hour chime clock
- Patent number 5,124,959
- Issue date Jun 23, 1992
- Seikosha Co., Ltd.
- Hiroshi Yamazaki
- G04 - HOROLOGY
Information Patent Grant
Device for turning decoration for timepiece
- Patent number 4,993,006
- Issue date Feb 12, 1991
- Seikosha Co., Ltd.
- Kenji Oshima
- G04 - HOROLOGY