HY

Hiroya Yamashita

TO Tokuyama: 3 patents #111 of 562Top 20%
TS Tokuyama Soda: 2 patents #22 of 151Top 15%
Overall (All Time): #1,021,800 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7959728 Mesoporous silica particles and production process thereof Kentaro Fukuda, Kenji Fukunaga 2011-06-14
6677389 Cationized silica dispersion Kentaro Fukuda, Kenji Fukunaga 2004-01-13
5780154 Boron nitride fiber and process for production thereof Yoshio Okano 1998-07-14
5330833 Tin oxide fiber and a process for producing the same Keiko Seki, Sumio Sakka, Toshinobu Yoko 1994-07-19
4801368 Ni/Sn cathode having reduced hydrogen overvoltage Takeshi Yamamura, Katsutoshi Yoshimoto 1989-01-31