Inventor · disambiguated record

Penjan Worapong

Also filed as: WORAPONG PENJAN

2 granted patents·6 citations·filing 2015–2015

49Inventor score

Technology areasG03B

Files withSEIKO PRECISION KK2

Top patents by PatentIndex Score

2 records

0184US9658515B2Diaphragm device and optical instrumentSEIKO PRECISION KK·Filed 2015·Granted May 23, 2017·5 cites·6 claims
0262US9971231B2Diaphragm device and optical instrumentSEIKO PRECISION KK·Filed 2015·Granted May 15, 2018·1 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →