Hisao Maruyama

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Toyonaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink jet recording sheet and process for producing same
- Patent number 4,944,988
- Issue date Jul 31, 1990
- Oji Paper Co., Ltd.
- Kenji Yasuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of manufacturing a container covered with protective sheet
- Patent number 4,595,544
- Issue date Jun 17, 1986
- Fuji Seal Industry Co.
- Hisao Maruyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL