P

Inventor

ISHIKAWA OSAMU

JP100 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

12 patents
US5594358AJan 14, 1997

Radio frequency probe and probe card including a signal needle and grounding needle coupled to a microstrip transmission line

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD175 citations98
US6489843B1Dec 3, 2002

Power amplifier and communication unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations96
US6313700B1Nov 6, 2001

Power amplifier and communication unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81 citations96
US6111459AAug 29, 2000

Multi mode power amplifier and communication unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations96
US6301122B1Oct 9, 2001

Radio frequency module with thermally and electrically coupled metal film on insulating substrate

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
US6313699B1Nov 6, 2001

Power amplifier and communication unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US5982236ANov 9, 1999

High-frequency power amplifier

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US5446309AAug 29, 1995

Semiconductor device including a first chip having an active element and a second chip having a passive element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations90
US5592122AJan 7, 1997

Radio-frequency power amplifier with input impedance matching circuit based on harmonic wave

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations88
US6046501AApr 4, 2000

RF-driven semiconductor device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations83
US6158116ADec 12, 2000

Radio frequency module and method for fabricating the radio frequency module

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US4891577AJan 2, 1990

Apparatus for measuring noise characteristics

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations74

TOCHIGI FUJI SANGYO KK

5 patents

MITSUBISHI ELECTRIC CORP

5 patents

JAPAN SYNTHETIC RUBBER CO LTD

4 patents

OKI DATA KK

3 patents

SHODA TOMOHISA

3 patents

MISAWA HOMES CO

2 patents

JSR CORP

2 patents

ISHIKAWA OSAMU

2 patents

KITANO HIROAKI

2 patents

HIRAOKA MASAKATSU

2 patents

SANYO ELECTRIC CO

1 patent

STAMICARBON

1 patent

FUJI ELECTRIC CO LTD

1 patent

UNI CHARM CORP

1 patent

IIDA MIWA

1 patent

SHINETSU HANDOTAI KK

1 patent

OKABE TAKERU

1 patent

OKI ELECTRIC IND CO LTD

1 patent

Showing the top 50 of 100 patents by PatentIndex Score.