Kenji Takato

This inventor holds 18 USPTO granted patents and 1 published patent application, plus 7 CIPO patents, primarily in Subscriber Circuit Design. Top assignee: Fujitsu Corporation. Active years: 1986-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Takato. Retrieved from https://idiyas.com/inventor/kenji-takato

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 18 (Patent Applications = 1)

% Patents Active = 100.0

CIPO Patents = 7 (Patent Applications = 3)

Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 204(Granted Patents)

Location History:

Yokohama, JP (1995)
Kawasaki, JP (1986 - 2001)

Company Filing History:

18 out of 39,378

Fujitsu Corporation

patents

Years Active: 1986-2001

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Areas of Expertise:

Subscriber Circuit

Battery Feed Circuit

Ring Trip Detection

ISDN Interface

Operational Amplifier

Ground Fault Detector

Hybrid Circuit

Calling Signal Transmission

Termination Impedance

Protection Circuit

Integrated Ringing Circuit

Subscriber Line Interface

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6310953 - Subscriber circuit (2001-10-30),

2. 6005933 - Method for communication with no power feed and exchange for realizing (1999-12-21),

3. 5402485 - Two-wire termination impedance generation circuit of subscriber circuit (1995-03-28),

4. 5402482 - Ring trip deciding circuit (1995-03-28),

5. 5347577 - Battery feed circuit for supplying feed current to telephone set (1994-09-13),

6. 5335271 - Ring trip detection circuit (1994-08-02),

7. 5311518 - ISDN interface circuit and system using the same (1994-05-10),

8. 5128992 - Hybrid circuit (1992-07-07),

9. 5113426 - Ground fault detector (1992-05-12),

10. 4995111 - Ring trip circuit for subscriber telephone (1991-02-19),

11. 4982422 - Terminating circuit in a battery feed circuit of an electronic exchange (1991-01-01),

12. 4935960 - Battery feed circuit (1990-06-19),

13. 4912429 - Operational amplifier (1990-03-27),

14. 4862309 - Protection circuit for battery feed circuit (1989-08-29),

15. 4827505 - Subscriber line interface circuit (1989-05-02),

Title: Kenji Takato: Innovator in Communication Technology

Introduction

Kenji Takato is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of communication technology, holding a total of 18 patents. His innovative work has paved the way for advancements in subscriber circuits and communication methods.

Latest Patents

One of Kenji Takato's latest patents is a subscriber circuit that implements an analog system, the 2B1Q system, and the ping-pong system. In this design, a signal processing unit is divided into a signal output unit for transmission and a bias unit for voltage provision. The signal output unit is characterized by a low withstand voltage and broadband characteristics, while the bias unit features a high withstand voltage and narrowband characteristics. Another notable patent is a method for communication with no power feed in an exchange. This method allows a calling subscriber unit to transmit a special service code that designates the disuse of a direct current loop, enabling communication even when the direct current loop is disconnected.

Career Highlights

Kenji Takato is currently employed at Fujitsu Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing communication systems and improving user experiences.

Collaborations

Throughout his career, Kenji has collaborated with notable colleagues, including Toshiro Tojo and Kazumi Kinoshita. These partnerships have contributed to the success of various projects and patents.

Conclusion

Kenji Takato's contributions to communication technology through his patents and work at Fujitsu Corporation highlight his role as a leading inventor in the field. His innovative solutions continue to shape the future of communication systems.

Profile summary based on public USPTO records.