LexDanaLexDanabeta
Inventor

Isaac Ohsawa

Inventor
Kashiwa, JP

Overview

3→
Patents
2008–2010
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
7,829,848'Gas monitoring apparatus'20107,663,098'Gas monitoring apparatus and gas monitoring method'20107,449,685'Gas monitoring apparatus'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2010Patents assigned to HITACHI LTD (3)· patent assignee history
2008–2010Patents assigned to NAT RES INST OF POLICE SCIENCE (2)· patent assignee history
2008–2010Based in Kashiwa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD32008–2010
NAT RES INST OF POLICE SCIENCE22008–2010
Locations
LocationPatentsSpan
Kashiwa, JP32008–2010