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Inventor

Ryoichi Fujimoto

Inventor
Tochigi, JP

Overview

6→
Patents
1979–2009
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F25Dprimary
F25DRefrigerators31%
F25BRefrigeration machines, plants or systems15%
G05DSystems for controlling or regulating non-electric variables15%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables8%
F16FSprings8%
G03GElectrography8%
H02HEmergency protective circuit arrangements8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
PatentTitleYear
7,546,068'Resin-made holding member and toner cartridge'20095,013,028'Device for changing a passageway of paper'19914,718,247'Refrigerator temperature control system'19884,522,040'Refrigerator'19854,366,678'Temperature control apparatus for refrigerating machine'19834,132,085'Control apparatus including an electronic timer'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1988Patents assigned to HITACHI LTD (4)· patent assignee history
1979Based in Ohira, JP· patent location history
1983Based in Ohiramachi, JP· patent location history
1985–1988Based in Tochigi, JP· patent location history
1991Patents assigned to SEIKOSHA KK (1)· patent assignee history
1991Based in Tokyo, JP· patent location history
2009Patents assigned to KONICA MINOLTA BUSINESS TECH (1)· patent assignee history
2009Based in Toyohashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41979–1988
KONICA MINOLTA BUSINESS TECH12009
SEIKOSHA KK11991
Locations
LocationPatentsSpan
Tochigi, JP21985–1988
Toyohashi, JP12009
Tokyo, JP11991
Ohiramachi, JP11983
Ohira, JP11979