P

Inventor

FUKUDA ATSUSHI

JP54 patents
⚠️ This page may combine multiple inventors who share the name “FUKUDA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NTT DOCOMO INC

18 patents
US7538635B2May 26, 2009

Quadrature hybrid circuit having variable reactances at the four ports thereof

NTT DOCOMO INC56 citations98
US7032600B2Apr 25, 2006

Method and system for measuring a position, position measuring device, and an in vivo radio device

NTT DOCOMO INC70 citations97
US7656228B2Feb 2, 2010

Matching circuit and multi-band amplifier

NTT DOCOMO INC39 citations93
US7373129B2May 13, 2008

Radio communication terminal

NTT DOCOMO INC20 citations92
US7227906B2Jun 5, 2007

Radio communication method and apparatus for multiplex transmission of plural signals in the same frequency band

NTT DOCOMO INC35 citations92
US7084717B2Aug 1, 2006

Quadrature hybrid circuit

NTT DOCOMO INC22 citations92
US7508269B2Mar 24, 2009

Stabilization circuit and multiband amplification circuit

NTT DOCOMO INC8 citations84
US7825754B2Nov 2, 2010

Variable resonator

NTT DOCOMO INC7 citations74
US7750757B2Jul 6, 2010

Matching circuit

NTT DOCOMO INC7 citations74
US7385450B2Jun 10, 2008

Bias circuit

NTT DOCOMO INC7 citations74
US9680233B2Jun 13, 2017

Multi-antenna array system

NTT DOCOMO INC2 citations73
US8368483B2Feb 5, 2013

Multiband matching circuit and multiband power amplifier

NTT DOCOMO INC5 citations73
US7710217B2May 4, 2010

Matching circuit and dual-band power amplifier

NTT DOCOMO INC2 citations63
US7656249B2Feb 2, 2010

Matching circuit

NTT DOCOMO INC7 citations63
US7532075B2May 12, 2009

Bias circuit

NTT DOCOMO INC2 citations63
US7821351B2Oct 26, 2010

Irreversible circuit element

NTT DOCOMO INC0 citations52
US7750756B2Jul 6, 2010

Matching circuit

NTT DOCOMO INC0 citations52
US9668224B2May 30, 2017

Radio base station apparatus, and transmission power determination method

NTT DOCOMO INC0 citations51

FUKUDA ATSUSHI

6 patents

TOYOTA MOTOR CO LTD

6 patents

CANON KK

5 patents

FUJIFILM CORP

4 patents

SEIKO EPSON CORP

2 patents

SUNTORY LIMITED AND TOKYO INST

1 patent

FUJI HEAVY IND LTD

1 patent

DIPSOL CHEM

1 patent

MITSUBISHI RAYON CO

1 patent

AKATSU HIROYUKI

1 patent

KAWAMURA TAKAHIRO

1 patent

HARIMA CHEMICALS INC

1 patent

FURUTA TAKAYUKI

1 patent

GREENPRODUCE COMPANY LTD

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.