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For the Inventor, By the Inventor

Tokyo, Japan

Ichiro Kuroda

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 148(Granted Patents)


Company Filing History:

goldMedal14 out of 35,689 
 
Nec Corporation
 patents
silverMedal1 out of 196 
 
Nec C Orporation
 patents

Years Active: 1986-2000

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15 patents (USPTO):Explore Patents
1. 6122653 - Block IIR processor utilizing divided ALU operation instructions (2000-09-18),
2. 612265 - Block IIR processor utilizing divided ALU operation instructions (2000-09-19),
3. 6119140 - Two-dimensional inverse discrete cosine transform circuit and (2000-09-12),
4. 5964824 - Two-dimensional IDCT circuit with input adder out output shifter for (1999-10-12),
5. 5917736 - Two-dimensional inverse-discrete cosine transform circuit (1999-06-29),
6. 5768167 - Two-dimensional discrete cosine transformation circuit (1998-06-16),
7. 5715017 - Motion estimating system (1998-02-03),
8. 5511207 - Program control circuit determining the designated number of times a (1996-04-23),
9. 5056004 - Program control system which simultaneously executes a program to be (1991-10-08),
10. 4899301 - Signal processor for rapidly calculating a predetermined calculation a (1990-02-06),
11. 4831575 - Apparatus for conversion between IEEE standard floating-point numbers (1989-05-16),
12. 4817047 - Processing circuit capable of raising throughput of accumulation (1989-03-28),
13. 4723258 - Counter circuit (1988-02-02),
14. 4722068 - Double precision multiplier (1988-01-26),
15. 4571737 - Adaptive differential pulse code modulation decoding circuit (1986-02-18),

Title: Ichiro Kuroda: Innovator in Block IIR Processor Technology

Introduction

Ichiro Kuroda is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of digital signal processing, particularly through his innovative work on block infinite impulse response (IIR) processors. With a total of 15 patents to his name, Kuroda's inventions have advanced the capabilities of processing technology.

Latest Patents

One of Kuroda's latest patents is the "Block IIR processor utilizing divided ALU operation instructions." This invention features a first input register that stores data of block length 'L' and is capable of shifting the stored data by an integer multiple of the data word length. The processor includes multiple coefficient register files, input registers, a shift register, an accumulator, and a multiply-and-accumulate unit. This design allows for the execution of parallel operations of 'L' multiply-and-accumulate operations, significantly speeding up filter operations through the use of parallel arithmetic. The efficiency of the operation is further enhanced by reducing the number of multiply-and-accumulate operations based on the filter's order due to the nature of the coefficients.

Career Highlights

Ichiro Kuroda has worked with notable companies, including NEC Corporation. His experience in these organizations has contributed to his expertise in developing advanced processing technologies.

Collaborations

Kuroda has collaborated with esteemed colleagues such as Hideo Tanaka and Takao Nishitani, further enriching his work and contributions to the field.

Conclusion

Ichiro Kuroda's innovative work in block IIR processor technology exemplifies his significant impact on digital signal processing. His patents and collaborations highlight his dedication to advancing technology in this critical area.

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