Sadao Tsuruga

This inventor holds 45 USPTO granted patents and 28 published patent applications and 3 EPO patents, primarily in Information Processing. Top assignees: Maxell, Ltd., Hitachi, Ltd., Hitachi Maxell, Limited. Active years: 1996-2026.

USPTO Granted Patents = 45 (Patent Applications = 28)

% Patents Active = 95.6

EPO Patents = 3 (Patent Applications = 12)

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 138(Granted Patents)

Location History:

Fujisawa, JP (1996)
Yokohama, JP (1996 - 2024)
Kyoto, JP (2022 - 2024)

Company Filing History:

Hitachi Maxell, Limited

patents

4. 2 out of 365

Hitachi Consumer Electronics Co., Ltd.

patents

Years Active: 1996-2026

Loading Chart...

Areas of Expertise:

Speech Recognition

Digital Assistant

Display Control

Information Processing

User Authentication

Road Guidance

Digital Content

Head-Mount Display

Reception Device

Program Content

Application Control

Mobile Information

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12743905 - Wearable device and behavior evaluation system (2026-09-22),

2. 12710655 - HEAD-MOUNT DISPLAY AND HEAD-MOUNT DISPLAY SYSTEM (2026-08-18),

3. 12531066 - Speech recognition device, speech-recognition-device coordination system, and speech-recognition-device coordination method (2026-01-20),

4. 12372789 - Display terminal, application control system and application control method (2025-07-29),

5. 12347334 - Road guidance system and mobile information terminal used in same (2025-07-01),

6. 12306917 - Information processing apparatus, user authentication network system, and user authentication method (2025-05-20),

7. 12284326 - Reception device, display control method, transmission device, and transmission method for program content type (2025-04-21),

8. 12249338 - Information processing device and digital assistant system (2025-03-11),

9. 12192564 - Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method (2025-01-07),

10. 12163806 - Information processing apparatus (2024-12-10),

11. 12039223 - Head-mountable information processing apparatus (2024-07-16),

12. 12032164 - Head-mount display and head-mount display system that display virtual space information on a display (2024-07-09),

13. 11985291 - Reception device, display control method, transmission device, and transmission method for program content type (2024-05-14),

14. 11947757 - Personal digital assistant (2024-04-02),

15. 11831945 - Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method (2023-11-28),

Title: The Innovative Journey of Inventor Sadao Tsuruga

Introduction: Sadao Tsuruga, a pioneering inventor hailing from Kyoto, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Tsuruga's latest patents showcase his commitment to pushing the boundaries of technological advancement, with a focus on areas such as robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights: Throughout his illustrious career, Tsuruga has been recognized for his inventive spirit and dedication to creating solutions that address complex challenges. His work has not only earned him numerous patents but has also inspired a new generation of inventors.

Collaborations: Tsuruga has collaborated with leading research institutions, universities, and tech companies to further develop and commercialize his inventions. These partnerships have been instrumental in bringing his visionary ideas to life and making a tangible impact on society.

Conclusion: In conclusion, Sadao Tsuruga stands as a shining example of an inventor whose relentless pursuit of innovation has reshaped the technological landscape. His contributions continue to inspire and pave the way for a future where creativity and ingenuity know no bounds.