HY

Hiroshi Yokoo

KK Kanto Kagaku: 2 patents #42 of 181Top 25%
Overall (All Time): #2,333,443 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4871693 Porous cordierite ceramics Senya Inoue, Akira Ono, Mikio Kobayashi 1989-10-03
4698317 Porous cordierite ceramics, a process for producing same and use of the porous cordierite ceramics Senya Inoue, Akira Ono, Mikio Kobayashi 1987-10-06