Company Filing History:

22 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

1 out of 7,524

Renesas Electronics Corporation

patents

Years Active: 1989-2011

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23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7956661 - Standard cell and semiconductor device (2011-06-07),

2. 6637003 - Viterbi decoder and synchronism controlling method (2003-10-21),

3. 6587504 - Adaptive equalizer and designing method thereof (2003-07-01),

4. 6442580 - Resampling method and resampler circuit (2002-08-27),

5. 5875323 - Processor using implicit register addressing (1999-02-23),

6. 5812845 - Method for generating an object code for a pipeline computer process to (1998-09-22),

7. 5805490 - Associative memory circuit and TLB circuit (1998-09-08),

8. 5603023 - Processor circuit for heapsorting (1997-02-11),

9. 5511189 - Data sorting apparatus capable of detecting completion of data sorting (1996-04-23),

10. 5468977 - Standard cells interconnection structure including a modified standard (1995-11-21),

11. 5457788 - Associative memory system for performing hit judgment on cache data (1995-10-10),

12. 5426599 - Hardware implemented multiplier for performing multiplication of two (1995-06-20),

13. 5386528 - Address translator having a high speed data comparator (1995-01-31),

14. 5339268 - Content addressable memory cell and content addressable memory circuit (1994-08-16),

15. 5323347 - Semiconductor memory device storing two types of binary number data and (1994-06-21),

Title: Hirohisa Machida: A Pioneer in Semiconductor Innovations

Introduction

Hirohisa Machida, based in Hyogo, Japan, is a significant figure in the realm of semiconductor technology, boasting a remarkable portfolio of 23 patents. His innovations have contributed greatly to the advancement of electronic systems, particularly in the areas of standard cell design and Viterbi decoding mechanisms.

Latest Patents

Among his latest contributions is the patent for a "Standard Cell and Semiconductor Device". This invention focuses on a standard cell and a scan flip-flop circuit that facilitates the introduction of scan testing in system LSI configurations equipped with ACS circuits. The design includes a 3-input selection circuit to efficiently choose one signal from three input signals, ensuring precision in output based on control and selection signals.

Another notable patent is for the "Viterbi Decoder and Synchronism Controlling Method". This innovation features a Viterbi decoding section that processes input data, coupled with a coding unit that codes the decoded data. This invention allows for the detection of the number of bit error corrections over a measurement period, which aids in maintaining synchronization within the decoding operation through a threshold detection mechanism.

Career Highlights

Machida has made substantial contributions while working with industry-leading companies such as Mitsubishi Electric Corporation and Renesas Electronics Corporation. His roles in these organizations have enabled him to influence the development of cutting-edge semiconductor technologies that are widely utilized today.

Collaborations

Throughout his career, Hirohisa Machida has collaborated with notable colleagues, including Hideki Ando and Takeo Nakabayashi. These partnerships have fostered an environment of innovation and creativity, propelling forward the boundaries of semiconductor research and application.

Conclusion

Hirohisa Machida’s extensive experience and innovative spirit have positioned him as a leading inventor in semiconductor technology. His patents not only reflect his ingenuity but also serve as a testament to his significant impact on the industry, paving the way for future advancements in electronics and data processing.

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