Keizo Ogihara

Follow

Person

Sukagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Functional polymers derived from polyamines and process for produci...
- Patent number 4,778,725
- Issue date Oct 18, 1988
- Nitto Boseki Co., Ltd.
- Hajime Serizawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing novel photosensitive resins
- Patent number 4,701,497
- Issue date Oct 20, 1987
- Nitto Boseki Co., Limited
- Hajime Serizawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for acylation with novel acylating agent
- Patent number 4,559,172
- Issue date Dec 17, 1985
- Nitto Boseki
- Ikuo Hayashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for producing sequential polyamino acid resin
- Patent number 4,525,576
- Issue date Jun 25, 1985
- Nitto Boseki Co. Ltd.
- Ikuo Hayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...