Toshinori Matsuda

Follow

Person

Shizuoka-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Keyboard musical instrument with keyboard range indicator
- Patent number 5,907,115
- Issue date May 25, 1999
- Kawai Musical Instruments Manufacturing Co., Ltd.
- Hiroshi Matsunaga
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS