Inventor

YOKOYAMA MASAHARU

JP4 patents

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

ALPS ELECTRIC CO LTD

3 patents

US6667854B2Dec 23, 2003

Magnetic head having head element protected from electrostatic damage, and production method therefor

ALPS ELECTRIC CO LTD3 citations60

US6258515B1Jul 10, 2001

Pattern forming method

ALPS ELECTRIC CO LTD5 citations55

US6638670B1Oct 28, 2003

Exposure mask and exposure method using the same

ALPS ELECTRIC CO LTD0 citations39

NISSAN MOTOR

1 patent

US4942534AJul 17, 1990

Signal-transmission type production supervising system including IC card and wireless type interface unit

NISSAN MOTOR113 citations94