YH

Yukio Hiranaka

HZ Hitachi Zosen: 1 patents #13 of 38Top 35%
OC Osaka Gas Co.: 1 patents #2 of 34Top 6%
SC Sumitomo Precision Products Co.: 1 patents #1 of 9Top 15%
Overall (2002): #84,149 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6357255 Regenerator for use in ammonia absorption refrigerator Hisashi Onishi, Noboru Tsubakihara, Katsuo Iwata, Tetsuro Furukawa, Masaharu Furutera +3 more 2002-03-19