Takuo Mukai

This inventor holds 8 USPTO granted patents. Top assignees: Ricoh Company, Ltd., Nintendo Co., Ltd.. Active years: 1994-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuo Mukai. Retrieved from https://idiyas.com/inventor/takuo-mukai

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

USPTO Granted Patents = 8

% Patents Active = 75.0

Average Co-Inventor Count = 1.7

ph-index = 5

Forward Citations = 91(Granted Patents)

Location History:

Tokyo, JP (1994 - 1996)
Oosaka-fu, JP (2004)
Ikeda, JP (1997 - 2006)
Osaka, JP (2008)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1994-2008

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7437298 - Method and apparatus for mobile phone using semiconductor device capable of inter-processing voice signal and audio signal (2008-10-14),

2. 7154419 - Audio apparatus for processing voice and audio signals (2006-12-26),

3. 6806757 - Level shift circuit (2004-10-19),

4. 6052156 - Digital color encoder having sampling frequency converter (2000-04-18),

5. 5638135 - Digital color encoder with improved circuitry (1997-06-10),

6. 5495266 - Still picture display apparatus and external storage device used therein (1996-02-27),

7. 5400052 - Mosaic picture display and external storage unit used therefor (1995-03-21),

8. 5337069 - Still picture display apparatus and external storage device used therein (1994-08-09),

Title: Takuo Mukai: Innovator in Mobile Communication Technology

Introduction

Takuo Mukai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of mobile communication technology, holding a total of 8 patents. His innovative work focuses on methods and apparatuses that enhance the processing of voice and audio signals in mobile devices.

Latest Patents

Mukai's latest patents include a method and apparatus for mobile phones that utilize a semiconductor device capable of inter-processing voice and audio signals. This invention features a first converter that transforms a digital audio signal sampled at a specific frequency into a digital voice signal sampled at a different frequency. Additionally, it includes a second converter that performs the reverse operation. The digital processing circuits in this apparatus execute predetermined computations on the converted signals, ensuring high-quality audio performance.

Another notable patent is an audio apparatus designed for processing voice and audio signals through interrelated data sampling and processing. This apparatus employs digital data processing techniques to enhance the quality of voice and audio signals, utilizing multiple sampling frequency conversion circuits to achieve optimal results.

Career Highlights

Throughout his career, Takuo Mukai has worked with renowned companies such as Ricoh Company, Ltd. and Nintendo Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in mobile technology.

Collaborations

Mukai has collaborated with notable colleagues, including Masahiro Otake and Toyofumi Takahashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Takuo Mukai's contributions to mobile communication technology are significant and impactful. His innovative patents and collaborations with industry leaders highlight his role as a key figure in advancing audio processing technologies. His work continues to influence the way we interact with mobile devices today.

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]