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Koichi Okawa

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent. Top assignees: Ntt Docomo, Inc., Ntt Mobile Communications Network, Inc.. Active years: 2000-2011.

USPTO Granted Patents = 10

% Patents Active = 20.0

CIPO Patents = 1

Average Co-Inventor Count = 3.9

ph-index = 7

Forward Citations = 154(Granted Patents)

Company Filing History:

Ntt Mobile Communications Network, Inc.

patents

Years Active: 2000-2011

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8005110 - Single carrier/DS-CDMA packet transmission method, an uplink packet transmission method in a multi-carrier/DS-CDMA mobile communications system, and a structure of a downlink channel in a multi-carrier/DS-CDMA mobile communications system (2011-08-23),

2. 7298721 - Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication system (2007-11-20),

3. 7233812 - Directional beam communication system, directional beam communication method, base station and controller (2007-06-19),

4. 7190957 - Base station connection method, radio network controller, and mobile station (2007-03-13),

5. 7142888 - Radio communication method, base station and mobile station (2006-11-28),

6. 7120467 - Radio communication method and base station (2006-10-10),

7. 7099697 - Base station, mobile communication system, and communication method (2006-08-29),

8. 7027839 - Communication method using directional beam and radio base station (2006-04-11),

9. 6842442 - DS-CDMA transmission method (2005-01-11),

10. 6097711 - DS-CDMA transmission method (2000-08-01),

Title: Koichi Okawa: Innovator in Mobile Communications

Introduction

Koichi Okawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of mobile communications, particularly in the development of advanced transmission methods. With a total of 10 patents to his name, Okawa's work has had a lasting impact on the industry.

Latest Patents

Okawa's latest patents include a single carrier/DS-CDMA packet transmission method, an uplink packet transmission method in a multi-carrier/DS-CDMA mobile communications system, and a structure of a downlink channel in a multi-carrier/DS-CDMA mobile communications system. The single carrier/DS-CDMA packet transmission method assigns a predetermined time slot to reservation demand packet transmission concerning a spreading code, allowing for time-multiplexed transmission of reservation demand packets and data packets. The uplink packet transmission method establishes frames in each communication channel of a subcarrier, with time slots set up for mobile stations to spread packets using a spreading code. Additionally, the downlink channel configuration divides and multiplexes communication channels assigned to subcarriers, including a common-control channel for multiple users and user-specific communication channels.

Career Highlights

Throughout his career, Okawa has worked with notable companies such as NTT Docomo, Inc. and NTT Mobile Communications Network, Inc. His experience in these organizations has furthered his expertise in mobile communication technologies and innovations.

Collaborations

Okawa has collaborated with esteemed colleagues, including Shinya Tanaka and Takehiro Nakamura. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Koichi Okawa's innovative work in mobile communications has established him as a key figure in the industry. His patents reflect a deep understanding of communication systems and a commitment to advancing technology.

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