Inventor

OKA MAKOTO

JP18 patents

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

OKA MAKOTO

DAINIPPON PHARMACEUTICAL CO

2-aryl-8-oxodihydropurine derivative, process for the producing the same, medicinal compositions containing the same, and intermediates thereof

Acetamide derivative, process for preparing the same, and a pharmaceutical composition containing the same

2-(1-Piperazinyl)-4-phenylcycloalkanopyridine derivatives, processes for the production thereof, and pharmaceutical composition containing the same

3-oxadiazolyl-1,6-naphthyridine derivatives

Intermediates for 3-oxadiazoly-1,6-naphthyridine derivatives

5-substituted-3-oxadiazolyl-1,6-naphthyridin-2(1H)-one derivatives

Production on 3-oxadiazolyl-1,6-naphthyridine derivatives

Medicament for treating cerebral insufficiency diseases, novel 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof

Medicament for treating cerebral insufficiency diseases, novel 2-(1-piperazinyl)-4-phenylcycloalkanopyrimidine derivatives, and process for the production thereof

Intermediates for 5-substituted-3-oxadiazolyl-1,6-Naphthyridin-2(1H)-one derivatives

SONY CORP

Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage medium

Content usage-right management system and management method

Network system

KIMURA SHINYA

Network system

Network system

OKA MAKOTO

Biometric identification system

Public key certificate issuing system, public key certificate issuing method, digital certification apparatus, and program storage medium

YOSHINO KENJI

Content delivery system and content delivery method