Inventor

YAMANAKA SEIJI

JP9 patents

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

RICOH KK

3 patents

US5285069AFeb 8, 1994

Array of field effect transistors of different threshold voltages in same semiconductor integrated circuit

RICOH KK37 citations87

US5737273AApr 7, 1998

Sense amplifier and reading circuit with sense amplifier

RICOH KK11 citations72

US5729499AMar 17, 1998

Sense amplifier and reading circuit with sense amplifier

RICOH KK9 citations72

MITSUBISHI MATERIALS CORP

2 patents

US5071635ADec 10, 1991

Method of preparing ceramic microspheres

MITSUBISHI MATERIALS CORP33 citations89

US5273776ADec 28, 1993

Method for forming thermistor thin film

MITSUBISHI MATERIALS CORP20 citations79

MITSUBISHI MINING & CEMENT CO

2 patents

US4789653ADec 6, 1988

Method for production of ceramic composition

MITSUBISHI MINING & CEMENT CO8 citations69

US5093291AMar 3, 1992

Pyroelectric ceramic composite structure

MITSUBISHI MINING & CEMENT CO4 citations61

TOSHIBA KK

1 patent

USD296290SJun 21, 1988

Toaster

TOSHIBA KK16 citations72

ISHIKAWA MASAYORI

1 patent

US9101761B2Aug 11, 2015

Moving object tracking system for radiotherapy

ISHIKAWA MASAYORI1 citations47