Tatsuaki Sekigawa

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Radio telecommunication device with display for changed information...
- Patent number 5,640,682
- Issue date Jun 17, 1997
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- G08 - SIGNALLING
Information Patent Grant
Paging apparatus equipped with a clock function
- Patent number 5,448,228
- Issue date Sep 5, 1995
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- G08 - SIGNALLING
Information Patent Grant
Radio tele-communication device with received message displaying fe...
- Patent number 5,285,493
- Issue date Feb 8, 1994
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- G08 - SIGNALLING
Information Patent Grant
Paging apparatus having a battery saving function
- Patent number 5,274,843
- Issue date Dec 28, 1993
- Kabushiki Kaisha Toshiba
- Makoto Murai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Paging apparatus equipped with a clock function
- Patent number 5,264,841
- Issue date Nov 23, 1993
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- G08 - SIGNALLING
Information Patent Grant
Radio telecommunication device with a display for changed informati...
- Patent number 5,203,014
- Issue date Apr 13, 1993
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- G08 - SIGNALLING
Information Patent Grant
Radio telecommunication apparatus
- Patent number 5,187,471
- Issue date Feb 16, 1993
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Paging system having an effective ID-code transferring function
- Patent number 5,177,478
- Issue date Jan 5, 1993
- Kabushiki Kaisha Toshiba
- Kiyoshi Wagai
- G08 - SIGNALLING
Information Patent Grant
Paging apparatus for receiving and displaying messages
- Patent number 5,105,189
- Issue date Apr 14, 1992
- Kabushiki Kaisha Toshiba
- Makoto Murai
- G08 - SIGNALLING
Information Patent Grant
System for detecting and recovering a transmitted signal
- Patent number 4,606,050
- Issue date Aug 12, 1986
- Tokyo Shibaura Denki Kabushiki Kaisha
- Tatsuaki Sekigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless telephone apparatus with protection against power loss
- Patent number 4,509,201
- Issue date Apr 2, 1985
- Toshiba Corporation
- Tatsuaki Sekigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tatsuaki Sekigawa

Person

Patents Grantslast 30 patents

Radio telecommunication device with display for changed information...

Paging apparatus equipped with a clock function

Radio tele-communication device with received message displaying fe...

Paging apparatus having a battery saving function

Paging apparatus equipped with a clock function

Radio telecommunication device with a display for changed informati...

Radio telecommunication apparatus

Paging system having an effective ID-code transferring function

Paging apparatus for receiving and displaying messages

System for detecting and recovering a transmitted signal

Wireless telephone apparatus with protection against power loss