P

Inventor

MARUYAMA ISAMU

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

SUMITOMO CHEMICAL CO

24 patents
US3936468AFeb 3, 1976

Phenylbutanol derivatives

SUMITOMO CHEMICAL CO19 citations81
US4148796AApr 10, 1979

γ-Piperidinobutyrophenones

SUMITOMO CHEMICAL CO15 citations73
US4010280AMar 1, 1977

Phenoxyalkylamine derivatives and preparation thereof

SUMITOMO CHEMICAL CO6 citations73
US3979390ASep 7, 1976

Butyrophenone derivatives and production thereof

SUMITOMO CHEMICAL CO14 citations73
US4080328AMar 21, 1978

N-substituted heterocyclic derivatives and preparation thereof

SUMITOMO CHEMICAL CO12 citations71
US4017621AApr 12, 1977

2-Morpholinyl tricyclic dibenzazepine compounds

SUMITOMO CHEMICAL CO4 citations62
US4017624AApr 12, 1977

N-(ω-Amino)alkylaniline derivatives

SUMITOMO CHEMICAL CO5 citations62
US4012515AMar 15, 1977

Aryl ketones and production thereof

SUMITOMO CHEMICAL CO2 citations62
US4009173AFeb 22, 1977

Butyrophenone derivatives

SUMITOMO CHEMICAL CO4 citations62
US4002611AJan 11, 1977

Preparation of benzodiazepines

SUMITOMO CHEMICAL CO3 citations62
US3993780ANov 23, 1976

Phenoxyethylamine derivatives having central nervous system depressant and anti-hypertensive activity

SUMITOMO CHEMICAL CO5 citations62
US3965106AJun 22, 1976

3-Phenoxypropylamine derivatives

SUMITOMO CHEMICAL CO2 citations62
US3951986AApr 20, 1976

Novel 2-propanol derivatives and preparation thereof

SUMITOMO CHEMICAL CO5 citations62
US4325886AApr 20, 1982

Optical resolution of acylthiopropionic acid

SUMITOMO CHEMICAL CO4 citations61
US4010154AMar 1, 1977

Benzodiazepinones

SUMITOMO CHEMICAL CO2 citations60
US4065565ADec 27, 1977

Acylhydrazones and anti-psychotic compositions thereof

SUMITOMO CHEMICAL CO1 citations52
US4009275AFeb 22, 1977

Phenoxypropylamine derivatives

SUMITOMO CHEMICAL CO0 citations52
US4230706AOct 28, 1980

Antihypertensive quinazoline compounds

SUMITOMO CHEMICAL CO0 citations51
US4012514AMar 15, 1977

Aryl ketones and production thereof

SUMITOMO CHEMICAL CO1 citations51
US4001312AJan 4, 1977

Aminoalcohols

SUMITOMO CHEMICAL CO0 citations51
US3960873AJun 1, 1976

1-Phenylthiopropyl-4-hydroxy-4-phenyl piperidines

SUMITOMO CHEMICAL CO0 citations51
US3933824AJan 20, 1976

Piperazinobutyrophenone derivatives

SUMITOMO CHEMICAL CO1 citations51
US4079053AMar 14, 1978

Benzodiazepine derivatives

SUMITOMO CHEMICAL CO0 citations50
US3989829ANov 2, 1976

1,4-Benzodiazepines

SUMITOMO CHEMICAL CO0 citations50

MITSUBISHI PAPER MILLS LTD

2 patents

SUMITOMO PHARMA

1 patent

DAICEL LTD

1 patent

SUMITONO PHARMACEUTICAL COMPAN

1 patent

SUMITOMO RIKO CO LTD

1 patent