Inventor

Junji Iida

Inventor

Tokyo, JP

Overview

10→

Patents

1998–2014

Patent span

Physics

Primary field (CPC G)

Patents· 10 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 properties31%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%

G02BOptical elements, systems or apparatus19%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%

H04BTransmission6%

PatentTitleYear

8,891,167'Polarization independent optical isolator'2014 8,565,561'Polarization independent optical isolator'2013 8,115,998'In-line optical isolator'2012 7,734,121'Bidirectional optical module'2010 7,259,913'Faraday rotator for high output lasers'2007 6,504,154'Non-destructive sugar content measuring apparatus'2003 6,094,265'Calibrator for non-destructive transmission optical measuring apparatus'2000 5,844,678'Non-destructive taste characteristics measuring apparatus and tray used in the apparatus'1998 5,726,750'Non-destructive taste characteristics measuring apparatus and tray used in the apparatus'1998 5,708,271'Non-destructive sugar content measuring apparatus'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2010Patents assigned to SUMITOMO METAL MINING CO (7)· patent assignee history

1998–2003Based in Chiba, JP· patent location history

2007–2014Based in Tokyo, JP· patent location history

2012–2014Patents assigned to IIDA JUNJI (3)· patent assignee history

2012–2014Patents assigned to SMM PREC CO LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO METAL MINING CO	7	1998–2010
IIDA JUNJIself	3	2012–2014
SMM PREC CO LTD	3	2012–2014

Locations

Location	Patents	Span
Tokyo, JP	5	2007–2014
Chiba, JP	5	1998–2003