JAPAN AS REPRESENTED BY DIRECTOR GENERAL, TECHNICAL RESEARCH AND DEVELOPMENT INSTITUTE

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Patents Grantslast 30 patents

Information Patent Grant
Hub structure for a rotary wing aircraft
- Patent number 5,228,834
- Issue date Jul 20, 1993
- Kawasaki Jukogyo Kabushiki
- Keizou Yamamoto
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Gas-generating agent for use in ducted rocket engine
- Patent number 4,925,909
- Issue date May 15, 1990
- Japan as Represented by Director General, Technical Research and Development...
- Naminosuke Kubota
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Rocket flight direction control system
- Patent number 4,913,379
- Issue date Apr 3, 1990
- Japan as represented by Director General, Technical Research and Development...
- Naminosuke Kubota
- F42 - AMMUNITION BLASTING
Information Patent Grant
High toughness, ultra-high strength steel having an excellent stres...
- Patent number 4,814,141
- Issue date Mar 21, 1989
- Japan as Represented by Director General, Technical Research and Development...
- Yasuho Imai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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