AO

Akihiko Ooi

YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
📍 Toyama, JP: #783 of 1,699 inventorsTop 50%
Overall (All Time): #2,080,626 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8574507 Heat exchanger-integrated reaction device having supplying and return ducts for reaction section Akira Obuchi, Junko Uchisawa, Tetsuya Namba, Norio Iijima 2013-11-05
5026028 Apparatus for connecting strut and horizontal member Toshiaki Hirono 1991-06-25