Tsunehiro Tsukagoshi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ribbon speaker
- Patent number 5,212,736
- Issue date May 18, 1993
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photomagnetic memory medium having a non-columnar structure
- Patent number 5,135,819
- Issue date Aug 4, 1992
- Pioneer Electronic Corporation
- Hiroshi Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Acoustic diaphragm
- Patent number 4,518,443
- Issue date May 21, 1985
- Pioneer Electronic Corporation
- Shinichi Yokozeki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Molding compositions and diaphragms, arm pipes and head shells mold...
- Patent number 4,404,315
- Issue date Sep 13, 1983
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic vibrating element of graphite and method of manufacturing...
- Patent number 4,395,814
- Issue date Aug 2, 1983
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone-arm elements
- Patent number 4,366,205
- Issue date Dec 28, 1982
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vibratory elements for audio equipment
- Patent number 4,362,772
- Issue date Dec 7, 1982
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Diaphragms for acoustic instruments and method of producing the same
- Patent number 4,352,407
- Issue date Oct 5, 1982
- Tsunehiro Tsukagoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm for acoustic instruments and method of manufacturing the...
- Patent number 4,351,412
- Issue date Sep 28, 1982
- Pioneer Electronic Corporation
- Isao Yamamuro
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Vibratory elements for audio equipment
- Patent number 4,343,376
- Issue date Aug 10, 1982
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Molding compositions and diaphragms, arm pipes and head shells mold...
- Patent number 4,341,838
- Issue date Jul 27, 1982
- Pioneer Electronic Corporation
- Kunio Imai
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Head shell for record player tonearms
- Patent number 4,269,416
- Issue date May 26, 1981
- Pioneer Electronic Corporation
- Toshikazu Yoshino
- G11 - INFORMATION STORAGE
Information Patent Grant
Arm pipe for record player tonearms
- Patent number 4,261,580
- Issue date Apr 14, 1981
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Vibrating member for acoustic transducer and method for manufacturi...
- Patent number 4,254,184
- Issue date Mar 3, 1981
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a carbon diaphragm for an acoustic instrument
- Patent number 4,221,773
- Issue date Sep 9, 1980
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Surface hardening method
- Patent number 4,196,022
- Issue date Apr 1, 1980
- Pioneer Electronic Corporation
- Teruo Tohma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Boron coated diaphragm for use in a loud speaker
- Patent number 4,135,601
- Issue date Jan 23, 1979
- Pioneer Electronic Corporation
- Tsunehiro Tsukagoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Tsunehiro Tsukagoshi

Person

Patents Grantslast 30 patents

Ribbon speaker

Photomagnetic memory medium having a non-columnar structure

Acoustic diaphragm

Molding compositions and diaphragms, arm pipes and head shells mold...

Acoustic vibrating element of graphite and method of manufacturing...

Tone-arm elements

Vibratory elements for audio equipment

Diaphragms for acoustic instruments and method of producing the same

Diaphragm for acoustic instruments and method of manufacturing the...

Vibratory elements for audio equipment

Molding compositions and diaphragms, arm pipes and head shells mold...

Head shell for record player tonearms

Arm pipe for record player tonearms

Vibrating member for acoustic transducer and method for manufacturi...

Method of producing a carbon diaphragm for an acoustic instrument

Surface hardening method

Boron coated diaphragm for use in a loud speaker