Rituko Hosoya

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Character and figure transforming system
- Patent number 5,852,447
- Issue date Dec 22, 1998
- Hitachi, Ltd.
- Rituko Hosoya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Character and figure transferring system
- Patent number 5,539,868
- Issue date Jul 23, 1996
- Hitachi, Ltd.
- Rituko Hosoya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for drawing figures
- Patent number 5,289,568
- Issue date Feb 22, 1994
- Hitachi, Ltd.
- Rituko Hosoya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Presentation apparatus
- Patent number 5,035,624
- Issue date Jul 30, 1991
- Hitachi, Ltd.
- Rituko Hosoya
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS