Inventor · disambiguated record
Tokumi Tsugawa
Also filed as: TSUGAWA TOKUMI
11 granted patents·4 pending applications·138 citations·filing 1999–2007
91Inventor score
Files withTGK CO LTD15
Top patents by PatentIndex Score
15 records- 0182US7165421B2Refrigeration systemTGK CO LTD·Filed 2005·Granted Jan 23, 2007·10 cites·5 claims
- 0274US6315266B1Pilot-operated flow regulating valveTGK CO LTD·Filed 2000·Granted Nov 13, 2001·26 cites·11 claims
- 0373US6390441B2Solenoid operated pilot valveTGK CO LTD·Filed 2001·Granted May 21, 2002·18 cites·12 claims
- 0471US6783110B2Proportional solenoid valveTGK CO LTD·Filed 2002·Granted Aug 31, 2004·18 cites·20 claims
- 0566US6957663B2Solenoid control valveTGK CO LTD·Filed 2003·Granted Oct 25, 2005·15 cites·22 claims
- 0661US6860294B2Four-way switching valveTGK CO LTD·Filed 2003·Granted Mar 1, 2005·10 cites·8 claims
- 0758US6986498B2Differential pressure valveTGK CO LTD·Filed 2003·Granted Jan 17, 2006·9 cites·14 claims
- 0857US6314753B1Supercooling degree-controlled expansion valveTGK CO LTD·Filed 2000·Granted Nov 13, 2001·9 cites·8 claims
- 0954US6532764B1Degree of supercooling control type expansion valveTGK CO LTD·Filed 1999·Granted Mar 18, 2003·19 cites·9 claims
- 1051US2007180854A1Expansion deviceTGK CO LTD·Filed 2007·Application pending·0 cites
- 1150US2008053125A1Expansion deviceTGK CO LTD·Filed 2007·Application pending·0 cites
- 1248US2006117793A1Expansion deviceTGK CO LTD·Filed 2005·Application pending·0 cites
- 1346US6694760B2Refrigerating cycleTGK CO LTD·Filed 2002·Granted Feb 24, 2004·3 cites·4 claims
- 1443US6966365B2Outflow prevention deviceTGK CO LTD·Filed 2003·Granted Nov 22, 2005·1 cites·13 claims
- 1538US2005050916A1Expansion deviceTGK CO LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →