LexDanaLexDanabeta
Inventor

Masaaki Sudou

Inventor
Chiyoda-ku, JP

Overview

3→
Patents
2000–2015
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing33%
G02BOptical elements, systems or apparatus33%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%
PatentTitleYear
8,983,239'Optical control element having a plurality of optical control portions'20158,265,443'Optical waveguide device'20126,149,499'Polishing apparatus and polishing method'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Based in Yokohama, JP· patent location history
2012–2015Patents assigned to ICHIKAWA JUNICHIRO (2)· patent assignee history
2012–2015Patents assigned to SUDOU MASAAKI (2)· patent assignee history
2012–2015Patents assigned to SUMITOMO OSAKA CEMENT CO LTD (2)· patent assignee history
2012Patents assigned to KONDOU KATSUTOSHI (1)· patent assignee history
2012–2015Based in Chiyoda-ku, JP· patent location history
2015Patents assigned to ICHIOKA MASAYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICHIKAWA JUNICHIRO22012–2015
SUDOU MASAAKIself22012–2015
SUMITOMO OSAKA CEMENT CO LTD22012–2015
ICHIOKA MASAYUKI12015
KONDOU KATSUTOSHI12012
Locations
LocationPatentsSpan
Chiyoda-ku, JP22012–2015
Yokohama, JP12000