Inventor

Seizou Sakata

Inventor

Tokyo, JP

Overview

4→

Patents

2003–2010

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 4 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 properties27%

Y02ATechnologies for adaptation to climate change27%

Y10TTechnical subjects covered by former us classification27%

G02BOptical elements, systems or apparatus9%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%

PatentTitleYear

7,662,636'Ozone gas sensing element, detection apparatus, and measurement method'2010 7,615,192'Ozone gas measurement apparatus'2009 7,364,700'Ozone gas sensing element, detection apparatus, and measurement method'2008 6,545,739'Tunable wavelength filter using nano-sized droplets of liquid crystal dispersed in a polymer'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2010Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history

2003–2010Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	4	2003–2010

Locations

Location	Patents	Span
Tokyo, JP	4	2003–2010