Tsukasa Yamauchi

Follow

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Video monitoring system, video monitoring method, and video monitor...
- Patent number 9,648,286
- Issue date May 9, 2017
- Hitachi, Ltd.
- Kenichi Yoneji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Schedule management support system
- Patent number 5,781,731
- Issue date Jul 14, 1998
- Hitachi, Ltd.
- Hiroyuki Koreeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing apparatus having speech and non-speech commu...
- Patent number 5,687,221
- Issue date Nov 11, 1997
- Hitachi, Ltd.
- Shigeto Oheda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Method and apparatus for generating graphics
- Patent number 5,247,610
- Issue date Sep 21, 1993
- Hitachi, Ltd.
- Sayuri Oshima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Zero voltage switching solid state relay
- Patent number 4,176,288
- Issue date Nov 27, 1979
- Hitachi, Ltd.
- Isamu Komatsu
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Video Monitoring System, Video Monitoring Method, and Video Monitor...
- Publication number 20150062336
- Publication date Mar 5, 2015
- Hitachi, Ltd
- Kenichi YONEJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE