Inventor

HYODA SHUNJI

JP8 patents

⚠️ This page may combine multiple inventors who share the name “HYODA SHUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JAPAN HYDRAZINE CO LTD

5 patents

US5618978AApr 8, 1997

Method of producing choline of a high purity

JAPAN HYDRAZINE CO LTD4 citations61

US6433181B1Aug 13, 2002

Process for the preparation of highly pure 5,5′-bi-1H-tetrazolediammonium salts

JAPAN HYDRAZINE CO LTD4 citations57

US6194577B1Feb 27, 2001

Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine

JAPAN HYDRAZINE CO LTD1 citations50

US5977360ANov 2, 1999

Process for producing cyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine

JAPAN HYDRAZINE CO LTD1 citations50

US5731465AMar 24, 1998

Process for the preparation of tertiary butyl hydrazine hydrohalogenide

JAPAN HYDRAZINE CO LTD1 citations46

JAPAN HYDRAZINE CO INC

2 patents

US6156906ADec 5, 2000

Process for the preparation of 5,5'-bi-1H-tetrazole salt

JAPAN HYDRAZINE CO INC12 citations69

US6040453AMar 21, 2000

Method for preparing 5,5'-bi-1H-tetrazole salt

JAPAN HYDRAZINE CO INC8 citations69

MASUDA CHEMICAL IND CO LTD

1 patent

US7122676B2Oct 17, 2006

Process for the preparation of 5,5′-bi-1H-tetrazolediammonium salts using hydrazine hydrate and dicyan as starting materials

MASUDA CHEMICAL IND CO LTD0 citations40