Inventor · disambiguated record
Kazuo Kumagai
Also filed as: KUMAGAI KAZUO
9 granted patents·351 citations·filing 1989–1993
91Inventor score
Files withKOBE STEEL LTD9
Top patents by PatentIndex Score
9 records- 0194US4940015APlasma reactor for diamond synthesisKOBE STEEL LTD·Filed 1989·Granted Jul 10, 1990·109 cites·9 claims
- 0280US5066938ADiamond film thermistorKOBE STEEL LTD·Filed 1990·Granted Nov 19, 1991·67 cites·2 claims
- 0378US5086014ASchottky diode manufacturing process employing the synthesis of a polycrystalline diamond thin filmKOBE STEEL LTD·Filed 1990·Granted Feb 4, 1992·69 cites·5 claims
- 0477US5107315AMis type diamond field-effect transistor with a diamond insulator undercoatKOBE STEEL LTD·Filed 1991·Granted Apr 21, 1992·41 cites·1 claims
- 0558US5160405AMethod of etching diamond thin filmsKOBE STEEL LTD·Filed 1991·Granted Nov 3, 1992·29 cites·12 claims
- 0647US5304461AProcess for the selective deposition of thin diamond film by gas phase synthesisKOBE STEEL LTD·Filed 1992·Granted Apr 19, 1994·18 cites·11 claims
- 0740US5358754AMethod for forming diamond films by vapor phase synthesisKOBE STEEL LTD·Filed 1992·Granted Oct 25, 1994·8 cites·2 claims
- 0837US5298766ADiamond heterojunction diodeKOBE STEEL LTD·Filed 1992·Granted Mar 29, 1994·7 cites·1 claims
- 0932US5373172ASemiconducting diamond light-emitting elementKOBE STEEL LTD·Filed 1993·Granted Dec 13, 1994·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →