Inventor · disambiguated record

Seizo Kamata

Also filed as: KAMATA SEIZO

2 granted patents·157 citations·filing 1986–1986

70Inventor score

Technology areasE21B Y10S

Files withTAKENAKA KOMUTEN CO2

Top patents by PatentIndex Score

2 records

0184US4721159AMethod and device for conveying chemicals through boreholeTAKENAKA KOMUTEN CO·Filed 1986·Granted Jan 26, 1988·89 cites·6 claims
0283US4706753AMethod and device for conveying chemicals through boreholeTAKENAKA KOMUTEN CO·Filed 1986·Granted Nov 17, 1987·68 cites·13 claims

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