RI

Ryota Iijima

HI Hitachi: 2 patents #53 of 664Top 8%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #2 of 9Top 25%
Overall (2024): #68,539 of 561,600Top 15%
3
Patents 2024

Issued Patents 2024

Showing 1–3 of 3 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