Inventor

HIRANUMA TOYOKAZU

JP3 patents

Patents

3 patents

US6498251B1Dec 24, 2002

Tetrahydrobenzindole derivatives

MEIJI SEIKA KAISHA9 citations69

US6355642B1Mar 12, 2002

Tetrahydrobenzindole compounds

MEIJI SEIKA KAISHA12 citations69

US6407112B1Jun 18, 2002

Optically active tetrahydrobenzindole derivative

MEIJI SEIKA KAISHA6 citations59