MK

Masanao KOTANI

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
Overall (All Time): #710,505 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11346346 Liquid-cooled type compressor having first and second nozzle injection ports with different characteristics 2022-05-31
11149734 Fluid machine Kotaro Chiba, Masahiko Takano, Toshikazu Harashima, Kosuke SADAKATA, Kentaro Yamamoto +3 more 2021-10-19
11047390 Oil feed type air compressor 2021-06-29
10995756 Air compressor Takeshi Tsuchiya, Ryoji KAWAI, Kotaro Chiba, Minako KANADA, Sachio Sekiya 2021-05-04
10920760 Air compressor having an oil separator, an oil cooler, first and second evaporators, and wherein intake air and the oil are simultaneously cooled in the first and second evaporators Takeshi Tsuchiya, Ryoji KAWAI, Sachio Sekiya 2021-02-16
10527330 Refrigeration cycle device Sachio Sekiya 2020-01-07
10359209 Air conditioning apparatus Sachio Sekiya, Shigeyuki Sasaki 2019-07-23