Inventor

KAWASAKI MASAYUKI

JP17 patents

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

KAWASAKI MASAYUKI

PENTEL KK

Writing instrument

Nib for a writing instrument

Marker

Knock-type liquid applicator

Writing instrument

TOSHIBA KK

Booster circuit device

Analog signal input circuit

CMOS output circuit having controlled slope

V SPARK CO LTD

Pressure fluctuation buffering mechanism and applicator

Writing instrument

KAWASAKI MASAYUKI

Ink storage container

Mobile communication device and communication control method

SEIKO EPSON CORP

Sentence management system and storage medium storing sentence management program

Image reading system, image reading device, and server device

MIYUKI SHIGERU

Dozer apparatus

PENTAL KABUSHIKI KAISHA

Nib for writing instruments

YUASA MAKOTO

Reactive oxygen species measuring device