Company Filing History:

9 out of 42,485

Hitachi, Ltd.

patents

2 out of 3,781

Renesas Technology Corp.

patents

2 out of 13

Hitachi Video and Information Systems, Inc.

patents

4. 1 out of 336

Hitachi Ulsi Systems Co., Ltd.

patents

5. 3 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1992-2012

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8098695 - Multiplexed audio data decoding apparatus and receiver apparatus (2012-01-17),

2. 7447241 - Multiplexed audio data decoding apparatus and receiver apparatus (2008-11-04),

3. 7337251 - Information processing device with priority-based bus arbitration (2008-02-26),

4. 6992936 - Semiconductor, memory card, and data processing system (2006-01-31),

5. 6816491 - Multiplexed audio data decoding apparatus and receiver apparatus (2004-11-09),

6. 6721207 - Non-volatile memory system including a control device to control writing, reading and storage and output operations of non-volatile devices including memory cells and data latches (2004-04-13),

7. 6507520 - Nonvolatile memory system (2003-01-14),

8. 6504764 - Non-volatile memory device (2003-01-07),

9. 6456526 - Non-volatile memory device operation in response to two different types of read commands and a write command which includes write verification (2002-09-24),

10. 6333871 - Nonvolatile semiconductor memory including a controller for providing an improved reprogram operation (2001-12-25),

11. 6320793 - Non-volatile memory device (2001-11-20),

12. 6233174 - Non volatile semiconductor, memory (2001-05-15),

13. 6046936 - Semiconductor, memory card, and data processing system (2000-04-04),

14. 5080024 - Foldable workbench (1992-01-14),

Title: Eiji Yamamoto: Innovator in Audio Data Decoding

Introduction

Eiji Yamamoto is a prominent inventor based in Kodaira, Japan. He has made significant contributions to the field of audio data decoding, holding a total of 14 patents. His work has focused on enhancing the flexibility and efficiency of audio decoding technologies.

Latest Patents

One of Eiji Yamamoto's latest patents is a multiplexed audio data decoding apparatus and receiver apparatus. This innovative device simplifies the integration of audio decoders and offers high flexibility when processing multiple formats or adapting to changing specifications. The apparatus utilizes an external ROM that stores various decoding program codes corresponding to different compression and encoding methods. A controller transfers the appropriate decoding program code from the external ROM to an internal RAM, allowing a digital signal processor (DSP) to initiate decoding using the transmitted code.

Career Highlights

Eiji Yamamoto has had a distinguished career, working with notable companies such as Hitachi, Ltd. His experience in the industry has allowed him to develop cutting-edge technologies that have advanced audio processing capabilities.

Collaborations

Throughout his career, Eiji has collaborated with talented individuals, including Tetsuya Tsujikawa and Atsushi Nozoe. These partnerships have contributed to the success of his innovative projects.

Conclusion

Eiji Yamamoto's contributions to audio data decoding exemplify his dedication to innovation and technology. His patents reflect a commitment to improving audio processing, making him a significant figure in the field.

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