Katsuaki Tamaru

Follow

Person

Iruma, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wristwatch case
- Patent number 6,762,976
- Issue date Jul 13, 2004
- Citizen Watch Co., Ltd.
- Katsuaki Tamaru
- G04 - HOROLOGY
Information Patent Grant
Display plate for timepieces and method for fabricating the same
- Patent number 6,538,959
- Issue date Mar 25, 2003
- Citizen Watch Co., Ltd.
- Katsuyuki Yamaguchi
- G04 - HOROLOGY