TK

Toshio Katahata

TK Toa Nenryo Kogyo: 2 patents #87 of 220Top 40%
TO Tonen: 1 patents #126 of 264Top 50%
📍 Iruma, JP: #118 of 400 inventorsTop 30%
Overall (All Time): #1,661,862 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5151390 Silicon nitride-based fibers and composite material reinforced with fibers Hiroyuki Aoki, Tadashi Suzuki, Mutsuo Haino, Genshiro Nishimura, Hiroshi Kaya +2 more 1992-09-29
5128286 Boron-containing, silicon nitride-based ceramic shaped body Osamu Funayama, Mikiro Arai, Hiroyuki Aoki, Yuuji Tashiro, Kiyoshi Sato +3 more 1992-07-07
5032551 Silicon nitride based ceramic fibers, process of preparing same and composite material containing same Yuuji Tashiro, Osamu Funayama, Mikiro Arai, Hiroyuki Aoki, Takeshi Isoda +4 more 1991-07-16