Inventor · disambiguated record
Chang-Am Koh
Also filed as: KOH CHANG A · KOH CHANG AM
4 granted patents·25 citations·filing 1982–1984
74Inventor score
Technology areasA63H
Top patents by PatentIndex Score
4 records- 0152USD281801SDollKOH CHANG A·Filed 1984·Granted Dec 17, 1985·7 cites·1 claims
- 0248USD276642SDollKOH CHANG AM·Filed 1982·Granted Dec 4, 1984·5 cites·1 claims
- 0341US4854912ADoll of rush stalksKOH CHANG AM·Filed 1984·Granted Aug 8, 1989·9 cites·10 claims
- 0428US4959036ADoll assembled of prefabricated weave sections of rush stalksKOH CHANG AM·Filed 1984·Granted Sep 25, 1990·4 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →