Mitsuru Tokuyama

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Utsunomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water absorbing sheet assembly
- Patent number 4,414,255
- Issue date Nov 8, 1983
- Kao Soap Co., Ltd.
- Mitsuru Tokuyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Porous sheet
- Patent number 4,364,985
- Issue date Dec 21, 1982
- Kao Soap Co., Ltd.
- Mitsuru Tokuyama
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL