Yoshiaki Asakawa

This inventor holds 13 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Denshi Kabushiki Kaisha. Active years: 1985-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Asakawa. Retrieved from https://idiyas.com/inventor/yoshiaki-asakawa

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 10

Forward Citations = 307(Granted Patents)

Company Filing History:

Hitachi Denshi Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1985-1999

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5983172 - Method for coding/decoding, coding/decoding device, and (1999-11-09),

2. 5956686 - Audio signal coding/decoding method (1999-09-21),

3. 5566191 - Soft decision maximum likelihood decoding method with adaptive metric (1996-10-15),

4. 5384891 - Vector quantizing apparatus and speech analysis-synthesis system using (1995-01-24),

5. 5142582 - Speech coding and decoding system with background sound reproducing (1992-08-25),

6. 5119424 - Speech coding system using excitation pulse train (1992-06-02),

7. 5077798 - Method and system for voice coding based on vector quantization (1991-12-31),

8. 5060268 - Speech coding system and method (1991-10-22),

9. 4985923 - High efficiency voice coding system (1991-01-15),

10. 4975957 - Character voice communication system (1990-12-04),

11. 4776015 - Speech analysis-synthesis apparatus and method (1988-10-04),

12. 4718095 - Speech recognition method (1988-01-05),

13. 4528688 - Continuous speech recognition method (1985-07-09),

Title: Yoshiaki Asakawa: Pioneering Inventor from Kawasaki, JP

Introduction: Yoshiaki Asakawa is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Asakawa's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Asakawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological advancements in various industries.

Collaborations: Throughout his career, Asakawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing in the tech community.

Conclusion: Yoshiaki Asakawa's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor in the global tech landscape.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]