Shin'ichi Koike

This inventor holds 8 USPTO granted patents, plus 1 CIPO patent. Top assignees: Nec Corporation, Nippon Electric Co., Ltd., Nippon Telegraph and Telephone Public Corporation. Active years: 1984-2001.

USPTO Granted Patents = 8

% Patents Active = 100.0

CIPO Patents = 1

Average Co-Inventor Count = 1.3

ph-index = 6

Forward Citations = 107(Granted Patents)

Company Filing History:

Nippon Electric Co., Ltd.

patents

1 out of 522

Nippon Telegraph and Telephone Public Corporation

patents

where one patent can have more than one assignee

Years Active: 1984-2001

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6223194 - Adaptive filter, step size control method thereof, and record medium therefor (2001-04-24),

2. 5784304 - Adaptively controlled filter (1998-07-21),

3. 5440583 - Decision feedback equalizer with second-order recursive filter (1995-08-08),

4. 5084865 - Echo canceller having FIR and IIR filters for cancelling long tail echoes (1992-01-28),

5. 5042026 - Circuit for cancelling whole or part of a waveform using nonrecursive (1991-08-20),

6. 4786882 - Quadriphase phase modulation system (1988-11-22),

7. 4631721 - Bidirectional communication system of a two-wire bus comprising an (1986-12-23),

8. 4472813 - Transmission system for intentionally violating a class IV partial (1984-09-18),

Title: Shin'ichi Koike: Innovator in Adaptive Filtering Technology

Introduction

Shin'ichi Koike is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of adaptive filtering technology, holding a total of 8 patents. His work focuses on improving the performance and efficiency of adaptive filters, which are essential in various signal processing applications.

Latest Patents

One of his latest patents is titled "Adaptive filter, step size control method thereof, and record medium therefor." This invention describes an adaptive filter that utilizes a stochastic gradient algorithm. It features a step size controller that optimizes the step size to minimize the mean squared estimation error at each time interval. The controller identifies a theoretical optimum step size and adjusts the actual step size accordingly. This innovation allows for faster convergence and reduced residual mean squared estimation error. Another notable aspect of his work is the development of an adaptively controlled filter that can switch between different algorithms to enhance performance in the presence of disturbances.

Career Highlights

Throughout his career, Shin'ichi Koike has worked with notable companies such as NEC Corporation and Nippon Telegraph and Telephone Public Corporation. His experience in these organizations has contributed to his expertise in signal processing and adaptive filtering technologies.

Collaborations

Shin'ichi Koike has collaborated with esteemed colleagues, including Eiichi Kobayashi and Masanobu Arai. Their joint efforts have further advanced the field of adaptive filtering and signal processing.

Conclusion

Shin'ichi Koike's innovative work in adaptive filtering technology has made a lasting impact on the field. His patents and collaborations reflect his dedication to advancing signal processing techniques.