Hajime Kawakami

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Three-dimensional structure and method and apparatus for manufactur...
- Patent number 7,488,169
- Issue date Feb 10, 2009
- Kawakami Sangyo Co., Ltd.
- Seijyu Keduka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for forming a plastic sheet having recessed a...
- Patent number 7,481,958
- Issue date Jan 27, 2009
- Kawakami Sangyo Co., Ltd.
- Hajime Kawakami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Paper cushioning mat
- Patent number 5,538,775
- Issue date Jul 23, 1996
- Kawakami Sangyo Kabushiki Kaisha
- Hajime Kawakami
- B32 - LAYERED PRODUCTS
Information Patent Grant
Apparatus for producing sheet having many hollow bodies from thermo...
- Patent number 4,657,625
- Issue date Apr 14, 1987
- Kawakami Sangyo Kabushki Kaisha
- Hajime Kawakami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Three-dimensional structure, and method and device for producing th...
- Publication number 20060083807
- Publication date Apr 20, 2006
- Kawakami Sangyo Co., Ltd
- Seijyu Keduka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Plastic sheet having a number of recessed and protruded parts and d...
- Publication number 20050249920
- Publication date Nov 10, 2005
- Hajime Kawakami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL