Takehiro Akiyama

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Charge pump circuits for PLL frequency synthesizer
- Patent number 5,534,821
- Issue date Jul 9, 1996
- Fujitsu Limited
- Takehiro Akiyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
PLL frequency synthesizer circuit
- Patent number 5,410,571
- Issue date Apr 25, 1995
- Fujitsu Limited
- Masayuki Yonekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
ECL to CMOS level conversion circuit
- Patent number 5,287,019
- Issue date Feb 15, 1994
- Fujitsu Limited
- Kazuyuki Nonaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
PLL frequency synthesizer having a power saving circuit
- Patent number 5,180,992
- Issue date Jan 19, 1993
- Fujitsu Limited
- Takehiro Akiyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
PLL synthesizer providing rapid frequency changeover
- Patent number 5,047,733
- Issue date Sep 10, 1991
- Fujitsu Limited
- Kazuyuki Nonaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit with reduced power consumption
- Patent number 4,897,560
- Issue date Jan 30, 1990
- Fujitsu Limited
- Shinji Saito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
ECL latch circuit insensitive to alpha ray disturbances
- Patent number 4,755,693
- Issue date Jul 5, 1988
- Fujitsu Limited
- Hirokazu Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Master-slice-type semiconductor integrated circuit device
- Patent number 4,748,488
- Issue date May 31, 1988
- Fujitsu Limited
- Hirokazu Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable delay gate circuit
- Patent number 4,645,958
- Issue date Feb 24, 1987
- Fujitsu Limited
- Hirokazu Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
TTL Circuit having delay means for delaying the operation until the...
- Patent number 4,481,427
- Issue date Nov 6, 1984
- Fujitsu Limited
- Hirokazu Suzuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device for driving thermal print heads
- Patent number 4,447,704
- Issue date May 8, 1984
- Fujitsu Limited
- Hirokazu Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Takehiro Akiyama

Person

Patents Grantslast 30 patents

Charge pump circuits for PLL frequency synthesizer

PLL frequency synthesizer circuit

ECL to CMOS level conversion circuit

PLL frequency synthesizer having a power saving circuit

PLL synthesizer providing rapid frequency changeover

Semiconductor integrated circuit with reduced power consumption

ECL latch circuit insensitive to alpha ray disturbances

Master-slice-type semiconductor integrated circuit device

Variable delay gate circuit

TTL Circuit having delay means for delaying the operation until the...

Semiconductor device for driving thermal print heads