Soji Ishikawa

Follow

Person

Minami-ku, Nagoya-shi, Aichi-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Medical liquid dispenser with filter means
- Patent number 4,306,973
- Issue date Dec 22, 1981
- Soji Ishikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cleaners for chalk erasers
- Patent number 4,099,286
- Issue date Jul 11, 1978
- Soji Ishikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES