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Inventor

Hitoshi Ichikawa

Inventor
Machida, JP

Overview

11→
Patents
1988–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 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 transducer19%
C12NMicroorganisms or enzymes10%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms10%
F03BMachines or engines for liquids10%
G01CMeasuring distances, levels or bearings10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
A61KPreparations for medical, dental or toiletry purposes5%
F01DNon-positive displacement machines or engines, e.g. steam turbines5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%
PatentTitleYear
10,619,184Method for detecting OCLN-ARHGAP26 gene202010,619,216Method for detecting RP2-ARHGAP6 gene20205,873,700'Hydraulic machine'19995,649,354'Method of manufacturing a fuel injector core'19975,497,364'Optical recording/reproducing apparatus in which data will not become unable to be read out in case an SDL fails to be renewed'19965,364,229'Hydroelectric machines and their installation'19945,351,227'Optical recording/reproducing apparatus in which data will not become unable to be read out in case an SDL fails to be renewed'19945,132,956'Optical recording/reproducing apparatus in which defective sectors are altered'19924,837,758'Magneto-optical recording reproducing device having field applying means'19894,771,547'Correction apparatus for an azimuth calculating system'19884,739,560'Azimuth sensor which corrects azimuth circle diameter and center for temperature variation'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1997Patents assigned to NIPPON DENSO CO (3)· patent assignee history
1988Based in Kariya, JP· patent location history
1989–1996Patents assigned to OLYMPUS OPTICAL CO (4)· patent assignee history
1989–1996Based in Machida, JP· patent location history
1994–1999Patents assigned to HITACHI LTD (2)· patent assignee history
1994–1999Based in Iwaki, JP· patent location history
1997Based in Nagoya, JP· patent location history
2020Patents assigned to ASTELLAS PHARMA INC (2)· patent assignee history
2020Patents assigned to NAT CANCER CT (2)· patent assignee history
2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO41989–1996
NIPPON DENSO CO31988–1997
ASTELLAS PHARMA INC22020
HITACHI LTD21994–1999
NAT CANCER CT22020
Locations
LocationPatentsSpan
Machida, JP41989–1996
Tokyo, JP22020
Iwaki, JP21994–1999
Kariya, JP21988
Nagoya, JP11997