Inventor

OISHI TETSUYA

JP26 patents

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

OISHI TETSUYA

MITSUI TOATSU CHEMICALS

Method for preparing modified resins and their applications

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

Diguanamines and preparation process, derivatives and use thereof

ALPINE ELECTRONICS INC

Speaker unit for low frequency reproduction

Speech recognition with request level determination

Speaker unit for low frequency reproduction

SONY CORP

Semiconductor device

Zener zap diode and method of manufacturing the same

Zener diode semiconductor device with contact portions

PURPOSE CO LTD

Heat exchanger tube, heat exchange unit, heat exchange apparatus, hot water supply system, and method of manufacturing heat exchanger tube

Piping connection unit, air supply or exhaust tube, and combustion apparatus

Filter device and water heater

MITSUI CHEMICALS INC

Method for preparing modified resins and their applications

Method for preparing modified resins and their applications

MITSUI MINING CO LTD

Coal-methanol slurry and its production process

KAWASAKI STEEL CO

Method of manufacturing grain oriented silicon steel sheets

OHISHI HIFUMI

External use composition for skin

OISHI TETSUYA

Solid-state imaging sensor, method of manufacturing the same, and image pickup apparatus

MIZUMURA AKIRA

Semiconductor device