RI

Ryota Iijima

HC Hitachi-Johnson Controls Air Conditioning: 3 patents #22 of 179Top 15%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #929,954 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12146481 Gas compressor Kotaro Chiba, Nae Hisano 2024-11-19
12123411 Liquid-cooled rotary compressor and coolant supply method therefor Nae Hisano, Kotaro Chiba, Takeshi Tsuchiya 2024-10-22
12000395 Scroll compressor and refrigeration cycle device Kazuyuki Matsunaga 2024-06-04
11592022 Scroll compressor and refrigeration cycle device Kazuyuki Matsunaga 2023-02-28
10533555 Scroll compressor Kazumi Tamura 2020-01-14