KH

Kenkichi Hashido

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,640,994 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5816793 Combustion apparatus Mitsuyoshi Nakamoto, Hirohisa Kato, Takashi Nishikawa, Hideharu Sano, Satoru Nitta 1998-10-06
5139414 Burner having primary and secondary combustion chambers Mitsuyoshi Nakamoto, Tatsuo Fujita, Sachio Nagamitsu, Kenji Okamoto 1992-08-18
4533082 Piezoelectric oscillated nozzle Naoyoshi Maehara, Hiroshi Hirata 1985-08-06