NM

Naoki Matubara

OC Oval Engineering Co.,Ltd.: 2 patents #6 of 29Top 25%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
Overall (All Time): #2,302,809 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5222395 Thermal type flowmeter Hiroyuki Katougi 1993-06-29
5167450 Calorimeter Kazumitu Nukui 1992-12-01