Hiroyuki Yoshizawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Boring casing for boring machines
- Patent number 5,236,018
- Issue date Aug 17, 1993
- Tao Nenryo Kogyo Kabushiki Kaisha
- Akira Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL