Inventor
NAGASAWA TOSHIYA
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAGASAWA TOSHIYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
13 patentsUS6449979B1Sep 17, 2002
Refrigerant evaporator with refrigerant distribution
DENSO CORP89 citations97
US6340055B1Jan 22, 2002
Heat exchanger having multi-hole structured tube
DENSO CORP68 citations96
US6339937B1Jan 22, 2002
Refrigerant evaporator
DENSO CORP21 citations92
US9719732B2Aug 1, 2017
Cold storage heat exchanger
DENSO CORP2 citations69
US6871508B2Mar 29, 2005
Air conditioner with reduced number of piping accessories
DENSO CORP10 citations69
US12228351B2Feb 18, 2025
Heat exchanger and corrugated fin
DENSO CORP1 citations60
US6899166B2May 31, 2005
Method for preventing contamination of heat exchanger and heat exchanger using this method
DENSO CORP4 citations60
US11187432B2Nov 30, 2021
Heat exchanger and corrugated fin
DENSO CORP0 citations49
US9927160B2Mar 27, 2018
Evaporator
DENSO CORP1 citations49
US10352599B2Jul 16, 2019
Evaporator
DENSO CORP0 citations40
US10696128B2Jun 30, 2020
Cold storage heat exchanger
DENSO CORP0 citations39
US9989315B2Jun 5, 2018
Cold storage heat exchanger
DENSO CORP0 citations38
US10401062B2Sep 3, 2019
Cold storage heat exchanger
DENSO CORP0 citations37
NIPPON DENSO CO
6 patentsUS5632161AMay 27, 1997
Laminated-type evaporator
NIPPON DENSO CO21 citations92
US5562157AOct 8, 1996
Heat exchanger
NIPPON DENSO CO21 citations90
US5481886AJan 9, 1996
Cooling unit and drain case for air conditioners
NIPPON DENSO CO53 citations90
US5669439ASep 23, 1997
Laminated type heat exchanger
NIPPON DENSO CO15 citations73
US5609036AMar 11, 1997
Evaporator for cooling apparatus
NIPPON DENSO CO15 citations73
US5653283AAug 5, 1997
Laminated type heat exchanger
NIPPON DENSO CO4 citations62