Inventor

Hiromichi Yamashita

Inventor

Hitachinaka, JP

Overview

9→

Patents

1984–2017

Patent span

Electricity

Primary field (CPC H)

Patents· 9 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 properties25%

H01JElectric discharge tubes or discharge lamps19%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation13%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%

A24BManufacture or preparation of tobacco for smoking or chewing6%

A24DCigars6%

E02DFoundations6%

H05BElectric heating6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

9,823,228'Chromatograph mass spectrometer and control method therefor'2017 7,742,879'Method and apparatus for chromatography mass spectrometry'2010 7,691,643'Mass analysis method and mass analysis apparatus'2010 7,485,852'Mass analysis method and mass analysis apparatus'2009 7,211,768'Heating line pattern structure of defogger'2007 6,748,956'Cigarette filter and cigarette'2004 5,912,504'Semiconductor photo-sensor and method for manufacturing the same'1999 5,583,076'Method for manufacturing a semiconductor photo-sensor'1996 4,451,175'Method for improving soft ground by sand drain method and cylindrical bag for use in same'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to PENTA OCEAN CONSTRUCTION (1)· patent assignee history

1984Patents assigned to TEIJIN LTD (1)· patent assignee history

1984–2017Based in Tokyo, JP· patent location history

1996–1999Patents assigned to CANON KK (2)· patent assignee history

1996–1999Based in Hiratsuka, JP· patent location history

2004Based in Osaka, JP· patent location history

2007Patents assigned to NIPPON SHEET GLASS CO LTD (1)· patent assignee history

2007Based in Minato-ku, JP· patent location history

2009–2017Patents assigned to HITACHI HIGH TECH CORP (4)· patent assignee history

2009–2010Based in Hitachinaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI HIGH TECH CORP	4	2009–2017
CANON KK	2	1996–1999
NIPPON SHEET GLASS CO LTD	1	2007
PENTA OCEAN CONSTRUCTION	1	1984
TEIJIN LTD	1	1984

Locations

Location	Patents	Span
Hitachinaka, JP	3	2009–2010
Tokyo, JP	2	1984–2017
Hiratsuka, JP	2	1996–1999
Minato-ku, JP	1	2007
Osaka, JP	1	2004