HK

Hiroshihi Kaya

TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
📍 Niiza, JP: #192 of 316 inventorsTop 65%
Overall (All Time): #3,881,000 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
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