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Inventor

Yoshiharu Honma

Inventor
Hitachi, JP

Overview

3→
Patents
1984–1989
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
D05BSewing17%
F16DCouplings for transmitting rotation17%
G11BInformation storage based on relative movement between record carrier and transducer17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,828,924'Magnetic recording medium'19894,523,668'Power controlling apparatus using friction material'19854,454,052'Liquid absorbent for absorption type refrigerator'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to HITACHI LTD (2)· patent assignee history
1984–1989Based in Hitachi, JP· patent location history
1989Patents assigned to HITACHI MAXELL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21984–1985
HITACHI MAXELL11989
Locations
LocationPatentsSpan
Hitachi, JP31984–1989