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Inventor

Masaaki Shirota

Inventor
Gunma, JP

Overview

3→
Patents
1997–2002
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.

G02Bprimary
G02BOptical elements, systems or apparatus67%
C30BSingle-crystal growth33%
PatentTitleYear
6,436,728'Method for making an optical waveguide substrate'20026,301,412'Apparatus and method for making multi-branching optical coupler'20015,671,309'Wide-band optical fiber coupler and method for preparing the same'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2002Patents assigned to SHINETSU CHEMICAL CO (3)· patent assignee history
1997–2001Based in Gunma, JP· patent location history
2002Based in Annaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHINETSU CHEMICAL CO31997–2002
Locations
LocationPatentsSpan
Gunma, JP21997–2001
Annaka, JP12002