RY

Roy M. Yabuki

PA Parker-Hannifin: 9 patents #37 of 1,656Top 3%
📍 Los Angeles, CA: #1,398 of 12,377 inventorsTop 15%
🗺 California: #66,801 of 386,348 inventorsTop 20%
Overall (All Time): #588,319 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6460354 Method and apparatus for detecting low refrigerant charge Derek Y. Kamemoto, Virender Jain, Richard L. Kenyon 2002-10-08
5877476 Apparatus and method for mass flow control of a working fluid Virender Jain, Richard L. Kenyon, Michael Nolan 1999-03-02
5660052 Apparatus and method for detecting characteristics of a working fluid Richard L. Kenyon, Chester D. Campbell, Sandra L. Harper, Michael Nolan, Virender Jain +1 more 1997-08-26
5522231 Apparatus and method for mass flow control of a working fluid Richard L. Kenyon, Chester D. Campbell, Sandra L. Harper, Michael Nolan, Virender Jain +1 more 1996-06-04
5477701 Apparatus and method for mass flow control of a working fluid Richard L. Kenyon, Chester D. Campbell, Sandra L. Harper, Michael Nolan, Virender Jain +1 more 1995-12-26
5460349 Expansion valve control element for air conditioning system Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Alan Matthies +2 more 1995-10-24
5390897 Expansion valve for air conditioning system with proportional solenoid Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Alan Matthies +2 more 1995-02-21
5335513 Apparatus and method for detecting characteristics of a working fluid Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Alan Matthies 1994-08-09
5295656 Expansion valve for air conditioning system with proportional solenoid Chester D. Campbell, Sandra L. Harper, Virender Jain, Richard L. Kenyon, Alan Matthies +2 more 1994-03-22