Inventor

Hisashi Nishiyama

Inventor

Tokyo, JP

Overview

17→

Patents

1988–2016

Patent span

Physics

Primary field (CPC G)

Patents· 17 as inventor

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

G01Sprimary

G01SRadio direction-finding30%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock17%

A61BDiagnosis10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

G01FMeasuring volume, volume flow, mass flow or liquid level7%

LOC247%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

H05BElectric heating3%

PatentTitleYear

D0763315'Portion of a display screen of a handheld device with transitional icon'2016 D0724224'Test meter'2015 D0724223'Test meter'2015 8,323,303'Lancing device'2012 D0633814'Test meter'2011 5,641,558'Window glass for an automobile'1997 5,246,006'Apparatus for ultrasonic color flow mapping'1993 5,111,825'Ultrasonic Doppler flow meter'1992 5,109,858'Pulse doppler measuring apparatus'1992 5,107,466'Ultrasonic doppler flow meter'1992 5,070,230'Electrically heatable windshield'1991 4,995,397'Pulse doppler flow speed meter'1991 4,955,386'Pulse doppler flow speed meter'1990 4,905,206'Ultrasonic doppler flow meter'1990 4,884,448'Ultrasonic doppler meter'1989 4,761,061'Method for fabrication of electrochromic device and the same fabricated by the method'1988 4,751,847'Ultrasonic velocity meter'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to HITACHI MEDICAL CORP (6)· patent assignee history

1988–1992Patents assigned to HITACHI LTD (4)· patent assignee history

1988–1997Patents assigned to ASAHI GLASS CO LTD (3)· patent assignee history

1988–1993Based in Tokyo, JP· patent location history

1988–1991Based in Yokohama, JP· patent location history

1997Based in Kawasaki, JP· patent location history

2011–2016Patents assigned to ARKRAY INC (5)· patent assignee history

2011–2016Based in Kyoto, JP· patent location history

2012Patents assigned to NISHIYAMA HISASHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI MEDICAL CORP	6	1988–1993
ARKRAY INC	5	2011–2016
HITACHI LTD	4	1988–1992
ASAHI GLASS CO LTD	3	1988–1997
NISHIYAMA HISASHIself	1	2012

Locations

Location	Patents	Span
Tokyo, JP	9	1988–1993
Kyoto, JP	5	2011–2016
Yokohama, JP	2	1988–1991
Kawasaki, JP	1	1997