Shigeru Sugawara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Conjuring tool for performing coin increasing trick
- Patent number 6,935,961
- Issue date Aug 30, 2005
- Tenyo Co., Ltd.
- Shigeru Sugawara
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Variable-display device for amusement
- Patent number 5,557,867
- Issue date Sep 24, 1996
- Tenyo Co., Ltd.
- Shigeru Sugawara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Coin spinner and savings box with same
- Patent number 5,514,021
- Issue date May 7, 1996
- Tenyo Co., Ltd.
- Shigeru Sugawara
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Trick article for illusion that stick-like thing is cut off
- Patent number 5,449,324
- Issue date Sep 12, 1995
- Tenyo Co., Ltd.
- Shigeru Sugawara
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Partitioned box with light reflective partition surface and window
- Patent number 4,967,953
- Issue date Nov 6, 1990
- Tenyo Co., Ltd.
- Shigeru Sugawara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Penetration-through-wall magic set
- Patent number 4,552,355
- Issue date Nov 12, 1985
- Tenyo Company, Ltd.
- Shigeru Sugawara
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Conjuring tool for performing coin increasing trick
- Publication number 20050014568
- Publication date Jan 20, 2005
- Shigeru Sugawara
- A63 - SPORTS GAMES AMUSEMENTS