HT

Hirokazu Takenaka

Ricoh Company: 48 patents #249 of 9,818Top 3%
MC Mgc Filsheet Co.: 2 patents #26 of 79Top 35%
MC Mitsubishi Gas Chemical Company: 2 patents #789 of 1,727Top 50%
TK Toa Nenryo Kogyo: 2 patents #87 of 220Top 40%
Overall (All Time): #48,867 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
5127822 Combustion apparatus with atomizer and method of controlling same Kouji Nakayama, Kiyoe Ishikawa, Hitoshi Kurokawa 1992-07-07
4844343 Ultrasonic vibrator horn Hitoshi Kurokawa, Kouji Nakayama 1989-07-04
4799622 Ultrasonic atomizing apparatus Kiyoe Ishikawa, Kakuro Kokubo, Hitoshi Kurokawa, Daijiro Hosogai 1989-01-24