Individual holder
BIRCH RICHARD J
US·3 granted patents·75 citations·filing 1985–1998
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0178US4639543ASemiconductor devices having a metallic glass substrateBIRCH RICHARD J·Filed 1985·Granted Jan 27, 1987·42 cites·14 claims
- 0255US6001174AMethod for growing a diamond crystal on a rheotaxy templateBIRCH RICHARD J·Filed 1998·Granted Dec 14, 1999·22 cites·25 claims
- 0346US4702965ALow vacuum silicon thin film solar cell and method of productionBIRCH RICHARD J·Filed 1985·Granted Oct 27, 1987·11 cites·7 claims
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