Inventor

IWAHASHI YUJI

JP20 patents

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

IWAHASHI YUJI

SONY CORP

Tape cassette case made by a dichromatic manner

Tape cassette reel having an upper reel molded by dichromatic molding process

Tape cassette

Tape reel for tape cassette

Lid assembly for a tape cassette which protects front and rear surfaces of a magnetic tape

Brake device for tape reel in magnetic tape cassette

Tape cassette with slidably guided, spring-biased reel locking means

Tape cassette having an improved lid/sub lid structure

Tape cassette reel having an upper reel portion formed by dichromatic molding method

Tape cassette with transparent reel viewing windows and laminated three-color construction

Tape cassette having means for locking reels thereof

Optical tape end sensing arrangement for magnetic tape cassette

Tape cassette with lid assembly which, in a closed position, protects front and rear surfaces of a tape run extending across a recess at the front of the cassette

Tape cassette with sealed light aperture

Tape cassette having a front lid and a back lid

Tape cartridge including reel lock member

Tape cartridge with reel lock release member having gradually decreasing thickness extension portions

Magnetic tape cartridge

SONY GROUP CORP

Cartridge including magnetic tape including magnetic layer including protrusions on surface thereof

Tape reel and tape cartridge