Katsuyuki Otsuka

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrolytic treatment of radioactive liquid waste to remove sodium
- Patent number 4,931,153
- Issue date Jun 5, 1990
- Doryokuro Kakunenryo Kaihatsu Jigyodan
- Katsuyuki Otsuka
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method of fabricating an annular tank
- Patent number 4,343,426
- Issue date Aug 10, 1982
- Doryokuro Kaku Nenryo Kaihatsu Jigyodan
- Katsuyuki Otsuka
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Device for removing radioactive particles in moist gas
- Patent number 4,338,102
- Issue date Jul 6, 1982
- Doryokuro Kakunenryo Kahatsu Jigyodan
- Katsuyuki Otsuka
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Method for wearing and taking off protective suit
- Patent number 4,302,848
- Issue date Dec 1, 1981
- Doryokuro Kakunenryo Kaihatsu Jigyodan
- Katsuyuki Otsuka
- A62 - LIFE-SAVING FIRE-FIGHTING