Yasuyuki Iizuna

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pyrogen and canister incorporating pyrogen
- Patent number 5,230,715
- Issue date Jul 27, 1993
- Dowa Iron Powder Co., Ltd.
- Yasuyuki Iizuna
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Pyrogen and canister incorporating pyrogen
- Patent number 5,220,908
- Issue date Jun 22, 1993
- Dowa Iron Powder Co., Ltd.
- Yasuyuki Iizuna
- C06 - EXPLOSIVES MATCHES