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Inventor

Hidemi Yoshida

Inventor
Atsugi, JP

Overview

9→
Patents
1986–2004
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 9 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 transducer32%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
Y10TTechnical subjects covered by former us classification16%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
H01JElectric discharge tubes or discharge lamps11%
C07DHeterocyclic compounds5%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
PatentTitleYear
6,815,198'Apparatus for automated preparation of DNA samples and reactor for preparing DNA samples'20045,841,757'Optical disk having a large storage capacity'19985,527,594'Optical tape'19965,481,530'High density optical recording method and recording medium'19965,459,019'Optical tape'19954,954,420'Metal-containing indoaniline compound and optical recording medium employing the compound'19904,874,985'Phosphor and electron excited fluorescent display device using the same'19894,839,207'Optical recording medium and process for producing the same'19894,631,445'Monochrome display cathode ray tube with long after glow phosphors'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to KASEI OPTONIX (2)· patent assignee history
1986–1989Based in Odawara, JP· patent location history
1989–1990Patents assigned to MITSUBISHI CHEM IND (2)· patent assignee history
1989Based in Yokohama, JP· patent location history
1990–1996Based in Atsugi, JP· patent location history
1995–1996Patents assigned to DIAFOIL HOECHST CO LTD (2)· patent assignee history
1996–1998Patents assigned to MITSUBISHI CHEM CORP (2)· patent assignee history
1998Based in Okayama, JP· patent location history
2004Patents assigned to HITACHI ELECTR ENG (1)· patent assignee history
2004Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DIAFOIL HOECHST CO LTD21995–1996
KASEI OPTONIX21986–1989
MITSUBISHI CHEM CORP21996–1998
MITSUBISHI CHEM IND21989–1990
HITACHI ELECTR ENG12004
Locations
LocationPatentsSpan
Atsugi, JP41990–1996
Odawara, JP21986–1989
Tokyo, JP12004
Okayama, JP11998
Yokohama, JP11989