Company Filing History:

20 out of 52,722

Kabushiki Kaisha Toshiba

patents

2 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

Years Active: 1985-2006

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23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6999791 - Mobile communication terminal apparatus with data communication function (2006-02-14),

2. 6122515 - Mobile radio communication system and fixed and mobile units used (2000-09-19),

3. 6052565 - Mobile communication terminal apparatus with data communication function (2000-04-18),

4. 5590414 - Adapter unit for a portable radio telephone enabling either one of data (1996-12-31),

5. 5471643 - Radio telecommunication apparatus (1995-11-28),

6. 5444867 - Adapter unit for adaptively supplying a portable radio telephone with (1995-08-22),

7. 5444765 - Radio telephone apparatus having a service area confirmation (1995-08-22),

8. 5437053 - Radio telecommunication apparatus (1995-07-25),

9. 5367556 - Portable radio telephone used with an adaptor unit having a hand-free (1994-11-22),

10. 5239586 - Voice recognition system used in telephone apparatus (1993-08-24),

11. 5134708 - Radio telephone apparatus (1992-07-28),

12. 5101500 - Radio telecommunication apparatus (1992-03-31),

13. 5033111 - Radio telecommunication apparatus (1991-07-16),

14. 4998291 - Radio telephone apparatus (1991-03-05),

15. 4996715 - Radio telephone apparatus (1991-02-26),

Title: **Kuniyoshi Marui: Innovator in Mobile Communication Technology**

Introduction

Kuniyoshi Marui, based in Saitama, Japan, is a notable inventor with an impressive portfolio of 23 patents. His innovative contributions primarily focus on the field of mobile communication technology, showcasing his expertise and forward-thinking mindset.

Latest Patents

Among Marui's most recent patents are the "Mobile communication terminal apparatus with data communication function" and a "Mobile radio communication system and fixed and mobile units used." The first patent details a system where RSSI data and battery status from a hand-held phone (HHP) are periodically transmitted to a personal computer (PC) during the CDPD mode. This data is subsequently displayed on the PC's LCD display. Furthermore, the operation state data of both the PC and the HHP is interchanged and displayed accordingly, enhancing user interaction and functionality.

Career Highlights

Marui has worked with prominent companies, such as Kabushiki Kaisha Toshiba and Tokyo Shibaura Denki Kabushiki Kaisha, where he has played vital roles in developing innovative technologies that have shaped the mobile communication landscape. His expertise has allowed him to remain at the forefront of technological advancements in this field.

Collaborations

Throughout his career, Marui has collaborated with notable colleagues, including Buntaro Sawa and Kiyoshi Hattori. These partnerships have further facilitated the exchange of ideas and innovations that have significantly impacted their projects and the industry.

Conclusion

Kuniyoshi Marui's dedication to innovation in mobile communication technology is reflected in his numerous patents and collaborative efforts. As he continues to develop pioneering solutions, Marui serves as an inspiration for aspiring inventors and the technology community at large. His contributions greatly enhance our understanding and capabilities within mobile communication systems.

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