LexDanaLexDanabeta
Inventor

Yoshihiko Wagatsuma

Inventor
Miyagi, JP

Overview

4→
Patents
1989–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials50%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light50%
PatentTitleYear
7,629,936'Broad-band Fermi antenna design method, design program, and recording medium containing the design program'20095,416,492'Electromagnetic radiator using a leaky NRD waveguide'19954,972,421'Thin-film coated waveguide laser'19904,875,218'Thin-film coated waveguide laser'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to HITACHI CABLE (2)· patent assignee history
1989–2009Based in Miyagi, JP· patent location history
1995–2009Patents assigned to WAGATSUMA YOSHIHIKO (2)· patent assignee history
1995Based in Sendai, JP· patent location history
2009Patents assigned to MIZUNO KOJI (1)· patent assignee history
2009Patents assigned to SATO HIROYASU (1)· patent assignee history
2009Patents assigned to SAWAYA KUNIO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE21989–1990
WAGATSUMA YOSHIHIKOself21995–2009
MIZUNO KOJI12009
SATO HIROYASU12009
SAWAYA KUNIO12009
Locations
LocationPatentsSpan
Miyagi, JP31989–2009
Sendai, JP11995