Koichi Ishihara

This inventor holds 72 USPTO granted patents and 11 published patent applications and 14 EPO patents, primarily in Wireless Communication (CPC class H04B). Top assignees: Nippon Telegraph and Telephone Corporation, Nippon Telegraph Telephone Corporation. Active years: 2012-2025.

USPTO Granted Patents = 72 (Patent Applications = 11)

% Patents Active = 100.0

EPO Patents = 14 (Patent Applications = 10)

Average Co-Inventor Count = 6.2

ph-index = 6

Forward Citations = 139(Granted Patents)

Forward Citations (Not Self Cited) = 105(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokosuka, JP (2012 - 2023)
Musashino, JP (2015 - 2024)

Company Filing History:

71 out of 5,300

Nippon Telegraph and Telephone Corporation

patents

1 out of 4

Nippon Telegraph Telephone Corporation

patents

Years Active: 2012-2025

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Areas of Expertise:

Wireless Communication

Signal Transmission

Base Station Control

Performance Evaluation

Monitoring Station

Defect Detection

Communication Control

Radio Signal Strength

72 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12335020 - Radio communication apparatus, and radio communication method (2025-06-17),

2. 12309832 - Wireless communication device and wireless communication control method (2025-05-20),

3. 12294878 - Wireless communication system, monitoring station, defect detection method, and wireless communication program (2025-05-06),

4. 12284531 - Radio signal strength information calculation method, control apparatus and program (2025-04-21),

5. 12250104 - Wireless signal transmitting method and wireless apparatus (2025-03-11),

6. 12238644 - Wireless communication method, base station, and wireless communication system (2025-02-25),

7. 12192842 - Wireless communication system, communication control method, and communication control program (2025-01-07),

8. 12185221 - Wireless communication system, base station control device, communication control method, and communication control program (2024-12-31),

9. 12156053 - Wireless performance evaluation method and wireless performance evaluation system (2024-11-26),

10. 12143918 - Wireless communication system, base station, and wireless communication method (2024-11-12),

11. 12127113 - Wireless communication system, control station, base station, and wireless communication method (2024-10-22),

12. 12120616 - Local wireless communication system, radio field intensity control method, control device, and program (2024-10-15),

13. 12089290 - Wireless communication method, base station, and wireless communication system (2024-09-10),

14. 12082120 - Communication control method, control station, and communication control program (2024-09-03),

15. 12075257 - Wireless communication system, intermediate processing device, communication control method, and communication control program (2024-08-27),

Title: Unveiling the Innovations of Inventor Koichi Ishihara

Introduction:

In the realm of technological advancements, inventors play a crucial role in shaping the future. One such visionary individual is Koichi Ishihara, hailing from Yokosuka, Japan. With an impressive portfolio of 60 patents under his name, Ishihara has made significant contributions to the field of wireless communication systems.

Latest Patents:

Among his latest patents, Ishihara has introduced groundbreaking concepts such as a Local wireless communication system and a radio field intensity control method. The system leverages radio waves in a licensed band to create a wireless communication environment within a defined area. Additionally, his wireless communication method focuses on connecting base stations with multiple terminal stations, optimizing communication standards and switching policies.

Career Highlights:

Ishihara's journey towards innovation led him to prestigious companies such as Nippon Telegraph and Telephone Corporation (NTT) and Nippon Telegraph Telephone Corporation. His expertise and dedication have been instrumental in developing cutting-edge technologies that have redefined the landscape of wireless communication systems.

Collaborations:

In his professional endeavors, Ishihara has collaborated with accomplished individuals in the field, including Yasushi Takatori and Tomoki Murakami. Together, they have worked towards pushing the boundaries of innovation and fostering advancements in wireless communication technologies.

Conclusion:

Koichi Ishihara's relentless pursuit of innovation and his invaluable contributions to the realm of wireless communication systems have solidified his position as a pioneer in the industry. Through his inventive spirit and collaborative efforts, Ishihara continues to inspire future generations of inventors and pave the way for technological progress.