Inventor
WATANABE HIROHIKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE HIROHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI ELECTRIC CO LTD
8 patentsUS10727194B2Jul 28, 2020
Solder material for semiconductor device
FUJI ELECTRIC CO LTD2 citations72
US12296409B2May 13, 2025
Solder material
FUJI ELECTRIC CO LTD0 citations62
US12275094B2Apr 15, 2025
Solder joint
FUJI ELECTRIC CO LTD0 citations62
US11890702B2Feb 6, 2024
Solder joint
FUJI ELECTRIC CO LTD0 citations62
US11850685B2Dec 26, 2023
Solder material
FUJI ELECTRIC CO LTD0 citations62
US11145615B2Oct 12, 2021
Solder material for semiconductor device
FUJI ELECTRIC CO LTD0 citations62
US10504868B2Dec 10, 2019
Solder joining
FUJI ELECTRIC CO LTD1 citations62
US10002845B2Jun 19, 2018
Lead-free soldering method and soldered article
FUJI ELECTRIC CO LTD0 citations51
SHOWA ALUMINUM CORP
4 patentsUS5529116AJun 25, 1996
Duplex heat exchanger
SHOWA ALUMINUM CORP123 citations97
US6021846AFeb 8, 2000
Duplex heat exchanger
SHOWA ALUMINUM CORP61 citations94
US5743328AApr 28, 1998
Duplex heat exchanger
SHOWA ALUMINUM CORP54 citations94
US6446715B2Sep 10, 2002
Flat heat exchange tubes
SHOWA ALUMINUM CORP8 citations67
SHOWA DENKO KK
4 patentsUS6250103B1Jun 26, 2001
Condenser and air conditioning refrigeration system and using same
SHOWA DENKO KK27 citations92
US7708054B2May 4, 2010
Heat exchanger
SHOWA DENKO KK8 citations81
US6370909B2Apr 16, 2002
Condenser and air conditioning refrigeration system using the same
SHOWA DENKO KK4 citations63
US6684662B2Feb 3, 2004
Refrigeration system, and condenser for use in decompressing-tube system
SHOWA DENKO KK2 citations61