Inventor
Kohji Tada
Inventor
Osaka, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth44%
Y10TTechnical subjects covered by former us classification25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
G01RMeasuring electric variables13%
PatentTitleYear
4,944,834'Process of pulling a crystal'19904,938,837'Crucible recovering method and apparatus therefor'19904,873,062'Apparatus for the growth of single crystals'19894,684,515'Single crystal article'19874,608,535'Magnetic field and current measuring device using a Faraday cell with a thin electrically conductive film substantially covering the Faraday cell'19864,596,700'Apparatus for producing single crystal'19864,563,093'Voltage and electric field measuring device using light'19864,537,652'Process for preparing single crystal'19854,528,061'Process for manufacturing boron-doped gallium arsenide single crystal'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1990Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (9)· patent assignee history
1985–1987Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1985–1990Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ELECTRIC INDUSTRIES | 9 | 1985–1990 |
| NIPPON TELEGRAPH & TELEPHONE | 3 | 1985–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 9 | 1985–1990 |