Osamu Negishi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Graph display apparatus for displaying different graphs of a functi...
- Patent number 5,539,867
- Issue date Jul 23, 1996
- Casio Computer Co., Ltd.
- Akihiro Handa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Graph display apparatus for different coordinate systems
- Patent number 5,535,317
- Issue date Jul 9, 1996
- Casio Computer Co., Ltd.
- Hidekazu Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compact electronic apparatus equipped with graphic representing fun...
- Patent number 5,303,338
- Issue date Apr 12, 1994
- Casio Computer Co., Ltd.
- Akihiro Handa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compact electronic calculator equipped with graphic display function
- Patent number 5,210,708
- Issue date May 11, 1993
- Casio Computer Co., Ltd.
- Osamu Negishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compact electronic calculator having graph display function
- Patent number 4,794,553
- Issue date Dec 27, 1988
- Casio Computer Co., Ltd.
- Kazuyoshi Watanabe
- G06 - COMPUTING CALCULATING COUNTING