Inventor
Masatoshi Iwama
Inventor
Tokyo, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus30%
H04NPictorial communication, e.g. television20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
B07CPostal sorting5%
B23KSoldering or unsoldering5%
B41JTypewriters5%
G01BMeasuring length, thickness or similar linear dimensions5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G06KGraphical data reading5%
PatentTitleYear
5,247,373'Scanning optical system'19935,210,634'Light beam scanner'19935,117,106'Scanning pattern drawing apparatus'19925,093,561'Drawing surface adjusting mechanism for scanning pattern drawing apparatus'19925,070,237'Optical measurement and detection system'19915,046,796'Apparatus for correcting scanning beams on basis of tilting of surface segments of polygonal mirror used in scanning pattern drawing apparatus'19915,043,566'Monitor mechanism for use with a scanning optical apparatus with composite drawing a monitoring beams'19915,027,137'Drawing surface adjusting mechanism for use with scanning pattern drawing apparatus'19915,017,949'Table assembly for pattern drawing apparatus'19915,015,846'Light beam control apparatus and linear scale device suitable for use therein'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1993Patents assigned to ASAHI OPTICAL CO LTD (10)· patent assignee history
1991–1993Based in Tokyo, JP· patent location history
1993Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI OPTICAL CO LTD | 10 | 1991–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 1991–1993 |
| Shizuoka, JP | 1 | 1993 |