Toshihiko Sumitani

Follow

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic calculator having means for directly inputting variables...
- Patent number 4,811,257
- Issue date Mar 7, 1989
- Sharp Kabushiki Kaisha
- Toshihiko Sumitani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Calculator or pocket computer with selectable operational sequence
- Patent number 4,695,983
- Issue date Sep 22, 1987
- Sharp Kabushiki Kaisha
- Koichi Oda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memo-print electronic apparatus
- Patent number 4,654,822
- Issue date Mar 31, 1987
- Kabushiki Kaisha - Sharp
- Yasuhiro Nakanishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Game calculating apparatus
- Patent number 4,511,138
- Issue date Apr 16, 1985
- Sharp Kabushiki Kaisha
- Toshihiko Sumitani
- G07 - CHECKING-DEVICES