Inventor

Muneharu Ishikawa

Inventor

Tsukuba, JP

Overview

13→

Patents

1981–2021

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G01Nprimary

G01NInvestigating or analysing materials by determining their chemical or physical properties22%

A61BDiagnosis17%

A01KAnimal husbandry4%

B01LChemical or physical laboratory apparatus for general use4%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles4%

C02FTreatment of water, waste water, sewage, or sludge4%

E05FDevices for moving wings into open or closed position4%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof4%

F16DCouplings for transmitting rotation4%

F16FSprings4%

PatentTitleYear

10,900,270Actuator for a vehicle-door2021 6,719,203'Cuvette control unit and controlling method using the same'2004 6,715,444'Method and device for measuring frequency of specific behavior of animal'2004 5,621,523'Method and apparatus for measuring particles in a fluid'1997 5,575,285'Apparatus for measuring oxygen saturation'1996 5,522,388'Pulse spectrometer'1996 5,291,886'Apparatus for measuring blood flow'1994 5,291,885'Apparatus for measuring blood flow'1994 5,135,306'Particle measuring method and apparatus'1992 5,090,808'Particle measurement apparatus'1992 5,054,913'Method and apparatus for measuring the velocity of a fluid using analysis of Young\'s fringes in speckle photography'1991 4,830,494'Method and apparatus for measuring particles in a fluid'1989 4,269,714'Activated sludge treatment method of waste water'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to OSAKA GAS CO LTD (1)· patent assignee history

1989–2004Patents assigned to KOWA CO (11)· patent assignee history

1991–1992Based in Ryuugasaki, JP· patent location history

1994–1997Based in Tsukuba, JP· patent location history

2004Based in Ibaraki, JP· patent location history

2004Based in Ryugasaki, JP· patent location history

2021Patents assigned to MITSUBA CORP (1)· patent assignee history

2021Based in Kiryu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOWA CO	11	1989–2004
MITSUBA CORP	1	2021
OSAKA GAS CO LTD	1	1981

Locations

Location	Patents	Span
Tsukuba, JP	4	1994–1997
Ryuugasaki, JP	3	1991–1992
Kiryu, JP	1	2021
Ibaraki, JP	1	2004
Ryugasaki, JP	1	2004