Kouichi Doi

Follow

Person

Inuyama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pilfer-proof synthetic resin cap
- Patent number 5,289,931
- Issue date Mar 1, 1994
- Japan Crown Cork Co., Ltd.
- Kouichi Doi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Heat-resistant liner-provided vessel closure and process for prepar...
- Patent number 5,060,818
- Issue date Oct 29, 1991
- Japan Crown Cork Co., Ltd.
- Kouichi Doi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite vessel lid
- Patent number 4,880,127
- Issue date Nov 14, 1989
- Japan Crown Cork Co., Ltd.
- Kouichi Doi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sales promoting-purpose bottle closure
- Patent number 4,157,143
- Issue date Jun 5, 1979
- Japan Crown Cork Co., Ltd.
- Kouichi Doi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL