Yosio Hayasi

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Amimachi, JA

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Patents Grantslast 30 patents

Information Patent Grant
2H-Chromene-2-spiro-3'-phthalides useful as horticultural and agric...
- Patent number 4,078,074
- Issue date Mar 7, 1978
- Rikagaku Kenkyusho and Mitsubishi Petrochemical Company Limited
- Tomomasa Misato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Wood preservatives and method for wood preservation treatment
- Patent number 4,075,121
- Issue date Feb 21, 1978
- Mitsubishi Petrochemical Company Limited
- Kazuhiko Konno
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...