Inventor
Toshihiro Kotani
Inventor
Osaka, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C30Bprimary
C30BSingle-crystal growth31%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
Y10TTechnical subjects covered by former us classification17%
C04BLime, magnesia7%
H10NElectric solid-state devices not otherwise provided for7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C01BNon-metallic elements3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C22CAlloys3%
H10HInorganic light-emitting semiconductor devices having potential barriers3%
PatentTitleYear
8,253,162'GaN substrate and light-emitting device'20125,849,672'Oxide superconducting material, process for preparing the same and applications thereof'19985,524,571'Method for synthesizing compound semiconductor polycrystals and apparatus therefor'19965,521,148'Oxide superconducting material, process for preparing the same and applications thereof'19964,944,834'Process of pulling a crystal'19904,873,062'Apparatus for the growth of single crystals'19894,863,554'Process for pulling a single crystal'19894,684,515'Single crystal article'19874,678,534'Method for growing a single crystal'19874,613,486'Semiconductor boule pulling rod'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.
1985–2012Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (12)· patent assignee history
1985–1989Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history
1985–1998Based in Osaka, JP· patent location history
2012Patents assigned to FUJIWARA SHINSUKE (1)· patent assignee history
2012Patents assigned to KOTANI TOSHIHIRO (1)· patent assignee history
2012Patents assigned to NAKAHATA SEIJI (1)· patent assignee history
2012Based in Itami, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO ELECTRIC INDUSTRIES | 12 | 1985–2012 |
| NIPPON TELEGRAPH & TELEPHONE | 4 | 1985–1989 |
| FUJIWARA SHINSUKE | 1 | 2012 |
| KOTANI TOSHIHIROself | 1 | 2012 |
| NAKAHATA SEIJI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 11 | 1985–1998 |
| Itami, JP | 1 | 2012 |