AS

Akiyoshi Sugiyama

KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
TC Toshiba Carrier: 1 patents #69 of 163Top 45%
Overall (All Time): #1,003,350 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9010137 Air conditioner Yoshiro Nakamura 2015-04-21
5062278 Air-conditioning apparatus including an indoor unit and an outdoor unit having its compressor driven by a three-phase AC power supply 1991-11-05
5050397 Air conditioner apparatus with starting control for parallel operated compressors based on high pressure detection Tsunetoshi Inoue, Norihisa Hasegawa 1991-09-24
4968338 Inverter controlled air conditioner with optimum determination for over current detection 1990-11-06
4850200 Refrigerating circuit device for air conditioning apparatus and control method thereof 1989-07-25