Inventor

Tsunehiro Tsukagoshi

Inventor

Tokyo, JP

Overview

19→

Patents

1976–1993

Patent span

Electricity

Primary field (CPC H)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Rprimary

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers28%

Y10TTechnical subjects covered by former us classification22%

G10KSound-producing devices13%

G11BInformation storage based on relative movement between record carrier and transducer11%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%

C08LCompositions of macromolecular compounds4%

C23CCoating metallic material4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B29CShaping or joining of plastics2%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%

PatentTitleYear

5,212,736'Ribbon speaker'1993 5,200,760'Thermal head for a thermal printer'1993 5,135,819'Photomagnetic memory medium having a non-columnar structure'1992 4,518,443'Acoustic diaphragm'1985 4,404,315'Molding compositions and diaphragms, arm pipes and head shells molded therefrom'1983 4,395,814'Acoustic vibrating element of graphite and method of manufacturing same'1983 4,366,205'Tone-arm elements'1982 4,362,772'Vibratory elements for audio equipment'1982 4,352,407'Diaphragms for acoustic instruments and method of producing the same'1982 4,351,412'Diaphragm for acoustic instruments and method of manufacturing the same'1982 4,343,376'Vibratory elements for audio equipment'1982 4,341,838'Molding compositions and diaphragms, arm pipes and head shells molded therefrom'1982 4,269,416'Head shell for record player tonearms'1981 4,261,580'Arm pipe for record player tonearms'1981 4,254,184'Vibrating member for acoustic transducer and method for manufacturing the same'1981 4,221,773'Method of producing a carbon diaphragm for an acoustic instrument'1980 4,196,022'Surface hardening method'1980 4,135,601'Boron coated diaphragm for use in a loud speaker'1979 3,961,797'Phonograph pickup cartridge stylus rod'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to PIONEER ELECTRONIC CORP (17)· patent assignee history

1976–1983Based in Tokyo, JP· patent location history

1981–1983Based in Ohmorinishi, JP· patent location history

1982Patents assigned to ARAI YASUYUKI (1)· patent assignee history

1982Patents assigned to TSUKAGOSHI TSUNEHIRO (1)· patent assignee history

1982Patents assigned to YOKOZEKI SHINICHI (1)· patent assignee history

1982–1985Based in Tokorozawa, JP· patent location history

1992–1993Based in Saitama, JP· patent location history

1993Patents assigned to PIONEER ELECTRONIC TOHOKU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PIONEER ELECTRONIC CORP	17	1976–1993
ARAI YASUYUKI	1	1982
PIONEER ELECTRONIC TOHOKU	1	1993
TSUKAGOSHI TSUNEHIROself	1	1982
YOKOZEKI SHINICHI	1	1982

Locations

Location	Patents	Span
Tokyo, JP	8	1976–1983
Tokorozawa, JP	4	1982–1985
Ohmorinishi, JP	4	1981–1983
Saitama, JP	3	1992–1993