Tohru Sampei

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic tape memory apparatus with axially displaced heads enablin...
- Patent number 5,084,786
- Issue date Jan 28, 1992
- Hitachi, Ltd.
- Kazutoshi Konno
- G11 - INFORMATION STORAGE
Information Patent Grant
Removable disk construction
- Patent number 4,796,140
- Issue date Jan 3, 1989
- Hitachi, Ltd.
- Manabu Wakabayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for magnetic disk
- Patent number 4,613,920
- Issue date Sep 23, 1986
- Hitachi, Ltd.
- Shigemitsu Higuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking servo system for magnetic recording and reproducing appara...
- Patent number 4,551,777
- Issue date Nov 5, 1985
- Hitachi, Ltd.
- Tadashi Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Speech synthesizer
- Patent number 4,491,958
- Issue date Jan 1, 1985
- Nippon Telegraph & Telephone Public Corporation
- Kazuhiro Umemura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drive circuit for electroluminescent element
- Patent number 4,443,741
- Issue date Apr 17, 1984
- Hitachi, Ltd.
- Katsuyuki Tanaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Speech synthesizer having speech time stretch and compression funct...
- Patent number 4,435,832
- Issue date Mar 6, 1984
- Hitachi, Ltd.
- Akihiro Asada
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Magnetic recording and reproducing apparatus automatically adjustab...
- Patent number 4,422,109
- Issue date Dec 20, 1983
- Hitachi, Ltd.
- Tohru Sampei
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape recorder
- Patent number 4,422,108
- Issue date Dec 20, 1983
- Hitachi, Ltd.
- Tohru Sampei
- G11 - INFORMATION STORAGE
Information Patent Grant
Alarm device for a vehicle including priority control for plural al...
- Patent number 4,401,971
- Issue date Aug 30, 1983
- Hitachi, Ltd.
- Tadashi Saito
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speech analyzer
- Patent number 4,390,747
- Issue date Jun 28, 1983
- Hitachi, Ltd.
- Tohru Sampei
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Source follower circuit using FETs
- Patent number 4,168,471
- Issue date Sep 18, 1979
- Hitachi, Ltd.
- Tohru Sampei
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio-frequency power amplifier
- Patent number 4,163,197
- Issue date Jul 31, 1979
- Hitachi, Ltd.
- Tohru Sampei
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Audio frequency power amplifier
- Patent number 4,100,501
- Issue date Jul 11, 1978
- Hitachi, Ltd.
- Harushige Nakagaki
- H03 - BASIC ELECTRONIC CIRCUITRY

Tohru Sampei

Person

Patents Grantslast 30 patents

Magnetic tape memory apparatus with axially displaced heads enablin...

Removable disk construction

Magnetic head for magnetic disk

Tracking servo system for magnetic recording and reproducing appara...

Speech synthesizer

Drive circuit for electroluminescent element

Speech synthesizer having speech time stretch and compression funct...

Magnetic recording and reproducing apparatus automatically adjustab...

Tape recorder

Alarm device for a vehicle including priority control for plural al...

Speech analyzer

Source follower circuit using FETs

Audio-frequency power amplifier

Audio frequency power amplifier