Kanji Katsukawa

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of making a thermoplastic sheet with cement particles for us...
- Patent number 5,271,781
- Issue date Dec 21, 1993
- Koken Kaihatsu Co., Ltd.
- Takamitsu Anno
- B32 - LAYERED PRODUCTS