Inventor
Kazuo Kumagai
Inventor
Kobe, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material14%
H10DInorganic electric semiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
C30BSingle-crystal growth10%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
G01KMeasuring temperature5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
H01BCables5%
H01CResistors5%
H01JElectric discharge tubes or discharge lamps5%
PatentTitleYear
5,373,172'Semiconducting diamond light-emitting element'19945,358,754'Method for forming diamond films by vapor phase synthesis'19945,304,461'Process for the selective deposition of thin diamond film by gas phase synthesis'19945,298,766'Diamond heterojunction diode'19945,160,405'Method of etching diamond thin films'19925,107,315'MIS type diamond field-effect transistor with a diamond insulator undercoat'19925,086,014'Schottky diode manufacturing process employing the synthesis of a polycrystalline diamond thin film'19925,066,938'Diamond film thermistor'19914,940,015'Plasma reactor for diamond synthesis'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to KOBE STEEL LTD (9)· patent assignee history
1990–1994Based in Kobe, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOBE STEEL LTD | 9 | 1990–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kobe, JP | 9 | 1990–1994 |