P

Inventor

SUGIYAMA MITSUHIRO

JP38 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA MITSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

17 patents
US6307242B1Oct 23, 2001

Semiconductor photo-detector with square-shaped optical wave-guide

NEC CORP52 citations96
US6075253AJun 13, 2000

Monocrystalline semiconductor photodetector

NEC CORP82 citations96
US5747860AMay 5, 1998

Method and apparatus for fabricating semiconductor device with photodiode

NEC CORP71 citations96
US5296391AMar 22, 1994

Method of manufacturing a bipolar transistor having thin base region

NEC CORP64 citations96
US5099304AMar 24, 1992

Semiconductor device with insulating isolation groove

NEC CORP100 citations96
US5731622AMar 24, 1998

Semiconductor photodiode

NEC CORP24 citations93
US6136628AOct 24, 2000

Method for fabricating photodetector

NEC CORP30 citations92
US5999675ADec 7, 1999

Silicon-based semiconductor photodetector with an improved optical fiber guide groove

NEC CORP20 citations92
US5991487ANov 23, 1999

Silicon-based semiconductor photodetector with an improved thin optical waveguide layer

NEC CORP28 citations92
US5763931AJun 9, 1998

Semiconductor device with SOI structure and fabrication method thereof

NEC CORP34 citations92
US5994199ANov 30, 1999

Method for fabricating semiconductor device on SOI substrate

NEC CORP10 citations74
US5637513AJun 10, 1997

Fabrication method of semiconductor device with SOI structure

NEC CORP9 citations74
US5633190AMay 27, 1997

Semiconductor device and method for making the same

NEC CORP11 citations74
US5587612ADec 24, 1996

Semiconductor device having semiconductor active and dummy regions with the dummy regions lower in height than the active regions

NEC CORP5 citations74
US5451541ASep 19, 1995

Method for fabricating a semiconductor device

NEC CORP8 citations74
US6080600AJun 27, 2000

Semiconductor photodiode and a method for fabricating the same

NEC CORP3 citations63
US5978533ANov 2, 1999

Optical part fixing chip

NEC CORP0 citations52

HITACHI LTD

11 patents

NHK SPRING CO LTD

4 patents

TANGE AKIRA

2 patents

MITSUMI ELECTRIC CO LTD

2 patents

NAKAMOTO HIROSHI

1 patent

JAPAN DISPLAY INC

1 patent