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Inventor

Toshibumi Kamiyama

Inventor
Tsuyama, JP

Overview

8→
Patents
1979–2002
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer43%
C23CCoating metallic material14%
D05BSewing7%
F25DRefrigerators7%
G01BMeasuring length, thickness or similar linear dimensions7%
G01WMeteorology7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
6,337,105'Method and apparatus for forming thin functional film'20026,291,031'Method for preparing optical recording medium and preparation apparatus therefor'20016,177,132'Optical recording medium and method of its manufacture'20014,844,377'Tape cassette'19894,566,048'Tape cassette adapter'19864,479,618'Tape cassette adapter'19844,250,825'Under thread detection for sewing machines with axially spring biased rotatable member'19814,176,524'Frost detector'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2002Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1979Based in Neyagawa, JP· patent location history
1981Based in Kadoma, JP· patent location history
1984–2002Based in Tsuyama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81979–2002
Locations
LocationPatentsSpan
Tsuyama, JP61984–2002
Kadoma, JP11981
Neyagawa, JP11979