Inventor · disambiguated record
Naohiko Yamashita
Also filed as: YAMASHITA NAOHIKO
7 granted patents·136 citations·filing 1992–2000
87Inventor score
Top patents by PatentIndex Score
7 records- 0175US6387157B1Mixed gas concentration regulating method and concentration regulating apparatusAIR LIQUIDE·Filed 2000·Granted May 14, 2002·17 cites·8 claims
- 0275US6197090B1Method and apparatus for recovering a gas from a gas mixtureAIR LIQUIDE·Filed 1999·Granted Mar 6, 2001·36 cites·13 claims
- 0371US6123909AMethod and apparatus for purification of argonAIR LIQUIDE JAPAN LTD·Filed 1998·Granted Sep 26, 2000·33 cites·15 claims
- 0462US5220798AAir separating method using external cold sourceTEISAN KK·Filed 1992·Granted Jun 22, 1993·23 cites·1 claims
- 0546US5373699AProcess for the production of nitrogen by cryogenic distillation of atmospheric airAIR LIQUIDE·Filed 1993·Granted Dec 20, 1994·11 cites·23 claims
- 0641US6050106AUltra high purity nitrogen and oxygen generator unitAIR LIQUIDE·Filed 1998·Granted Apr 18, 2000·8 cites·8 claims
- 0740US5325674AProcess for the production of nitrogen by cryogenic distillation of atmospheric airAIR LIQUIDE·Filed 1992·Granted Jul 5, 1994·8 cites·20 claims
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