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Inventor

Ken Ohmata

Inventor
Sodegaura, JP

Overview

6→
Patents
1983–1994
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light38%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light25%
B24BMachines, devices, or processes for grinding or polishing13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
5,319,441'Method and apparatus for detecting wavelength of laser beam'19945,251,226'Discharge exciting excimer laser device'19935,214,659'Laser device'19935,197,078'Gas laser apparatus'19935,170,224'Laser wavelength measuring device'19924,380,368'Projection screen'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to AOKI HIDEYA (1)· patent assignee history
1983Patents assigned to OHMATA KEN (1)· patent assignee history
1983Patents assigned to TAMURA NAOYUKI (1)· patent assignee history
1983Based in Iwakuni, JP· patent location history
1992–1994Patents assigned to MITSUI PETROCHEMICAL IND (5)· patent assignee history
1992Based in Kimitsu, JP· patent location history
1993–1994Based in Sodegaura, JP· patent location history
1993Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI PETROCHEMICAL IND51992–1994
AOKI HIDEYA11983
OHMATA KENself11983
TAMURA NAOYUKI11983
Locations
LocationPatentsSpan
Sodegaura, JP31993–1994
Chiba, JP11993
Kimitsu, JP11992
Iwakuni, JP11983