Company Filing History:

20 out of 39,230

Fujitsu Corporation

where one patent can have more than one assignee

Years Active: 1990-2008

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7339435 - Amplifier and device having amplifier, and mutual conductance control method (2008-03-04),

2. 7184732 - PLL frequency synthesizer (2007-02-27),

3. 7183839 - Diode detecting circuit (2007-02-27),

4. 6968172 - DC offset cancel circuit (2005-11-22),

5. 6757349 - PLL frequency synthesizer with lock detection circuit (2004-06-29),

6. 6690236 - Gain variable amplifier (2004-02-10),

7. 6690225 - DC offset cancel circuit (2004-02-10),

8. 6452449 - Gain variable amplifier (2002-09-17),

9. 6333675 - Variable gain amplifier with gain control voltage branch circuit (2001-12-25),

10. 6225676 - Semiconductor device with improved inter-element isolation (2001-05-01),

11. 6127890 - Variable gain circuit with improved gain response (2000-10-03),

12. 6002278 - Variable frequency divider and PLL circuit (1999-12-14),

13. 5896066 - PLL synthesizer having a reset circuit (1999-04-20),

14. 5640116 - PLL circuit of pulse swallow-type prescaler system (1997-06-17),

15. 5410571 - PLL frequency synthesizer circuit (1995-04-25),

Title: The Innovative Contributions of Shinji Saito

Introduction: Shinji Saito, a distinguished inventor based in Kasugai, Japan, has made significant strides in the field of electronics with his innovative designs. With 20 patents to his name, Saito's work reflects a deep understanding of amplifier technology and circuit design, making him a notable figure in the industry.

Latest Patents: Saito's recent patents showcase his expertise and innovative approach. His patent titled "Amplifier and Device Having Amplifier, and Mutual Conductance Control Method" presents a sophisticated amplifier circuit that includes multiple first transistors with a common gate connection. This invention also features a bias circuit that employs several second transistors to deliver a consistent bias voltage, enabling efficient control over the amplifier circuit. Additionally, his "Diode Detecting Circuit" effectively addresses temperature dependence in detecting diodes, enhancing sensitivity. This device utilizes two diode detecting units which compare outputs to optimize detection accuracy.

Career Highlights: Saito has contributed to prestigious organizations such as Fujitsu Corporation and Fujitsu VLSI Limited. His tenure at these companies has allowed him to hone his skills and collaborate with some of the best minds in the field, leading to groundbreaking innovations.

Collaborations: Throughout his career, Saito has worked alongside talented colleagues, including Akira Kobayashi and Takehiro Akiyama. These collaborations have facilitated the sharing of ideas and technological advancements, further enhancing the impact of their combined efforts in the industry.

Conclusion: Shinji Saito's contributions to electrical engineering, particularly in amplifier circuits and detection systems, illustrate his role as a key innovator. With 20 patents and a successful career behind him, Saito continues to pave the way for future advancements in technology, establishing a legacy of ingenuity and creativity in the world of electronics.

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