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Inventor

Ryoichi Tomikawa

Inventor
Toyota, JP

Overview

5→
Patents
1979–1983
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F16Dprimary
F16DCouplings for transmitting rotation45%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients27%
Y10TTechnical subjects covered by former us classification18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
4,420,067'Friction member of resin mold type'19834,416,361'Friction facings reinforced with stitching'19834,262,788'Friction member of non-asbestos'19814,187,133'Method for manufacturing a clutch facing'19804,146,527'Method for manufacturing a friction material of the resin mold type'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1983Patents assigned to AISIN SEIKI (4)· patent assignee history
1979–1983Based in Toyota, JP· patent location history
1981Patents assigned to BAN HIROSHI (1)· patent assignee history
1981Patents assigned to KATO TOSHITAKE (1)· patent assignee history
1981Patents assigned to NAKANISHI KATUMI (1)· patent assignee history
1983Patents assigned to AISHIN KAKO KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI41979–1983
AISHIN KAKO KK11983
BAN HIROSHI11981
KATO TOSHITAKE11981
NAKANISHI KATUMI11981
Locations
LocationPatentsSpan
Toyota, JP51979–1983