Inventor · disambiguated record
Kunio Koyama
Also filed as: KOYAMA KUNIO
6 granted patents·185 citations·filing 1978–2002
86Inventor score
Top patents by PatentIndex Score
6 records- 0189US6532995B1Super-high-strength line pipe excellent in low temperature toughness and production method thereofNIPPON STEEL CORP·Filed 2000·Granted Mar 18, 2003·28 cites·4 claims
- 0289US4953744AMobile refuse containerKOYAMA KUNIO·Filed 1989·Granted Sep 4, 1990·78 cites·10 claims
- 0372US4221611ANon-fused flux composition for submerged-arc weldingNIPPON STEEL CORP·Filed 1978·Granted Sep 9, 1980·21 cites·3 claims
- 0467US4355054AProcess for production of a low hydrogen type covered arc-electrodeNIPPON STEEL CORP·Filed 1981·Granted Oct 19, 1982·20 cites·5 claims
- 0558US6722270B2Hydraulic pressNIPPO INDUSTRY CO LTD·Filed 2002·Granted Apr 20, 2004·10 cites·15 claims
- 0658US5636770AAerosol dip tubeTOYO AEROSOL IND CO·Filed 1995·Granted Jun 10, 1997·28 cites·14 claims
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