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Kawasaki, Japan

Tokyo Shibaura Denki Kabushiki Kaisha

USPTO Granted Patents = 2,916

Trademarks = 3

Forward Citations = 46,689

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2,740 inventors (with patents filed for the assignee):

Katsumi Nagano (39 out of 56 patents)

Hiroshi Iwahashi (28 out of 124 patents)

Tadashi Kojima (27 out of 81 patents)

4. Yasoji Suzuki (26 out of 65 patents)

5. Toshio Yonezawa (21 out of 36 patents)

6. Kunio Hara (21 out of 79 patents)

7. Masamichi Asano (19 out of 92 patents)

8. Fujio Masuoka (18 out of 377 patents)

9. Yukimasa Uchida (18 out of 32 patents)

10. Eiji Masuda (18 out of 25 patents)

11. Kenji Matsuo (18 out of 28 patents)

12. Satoru Yanabu (17 out of 26 patents)

13. Hiroshi Iwai (16 out of 114 patents)

14. Shigeru Komatsu (16 out of 43 patents)

15. Shoji Ariizumi (16 out of 28 patents)

Core Competencies:

Semiconductor Devices

Projection CRT

Multi-Joint Arm Robotics

Thermal Transfer Printers

Color Image Sensors

Integrated Circuits

Data Processing Systems

High Density CMOS Circuits

Optical Memory Devices

Error Detection Logic Circuits

Nuclear Power Generation

Immunoassay Methods

2,916 patents: Sort by Forward Citations

1. 5115306 - Projection CRT with a green emitting terbium activated lanthanum (1992-05-19),

2. 5113230 - Semiconductor device having a conductive layer for preventing insulation (1992-05-12),

3. 5061983 - Semiconductor device having a metal silicide layer connecting two (1991-10-29),

4. 5051338 - Method and apparatus for forming resist pattern (1991-09-24),

5. 5051062 - Radial flow turbine rotor (1991-09-24),

6. 5049028 - Control system of multi-joint arm robot apparatus (1991-09-17),

7. 5029071 - Multiple data processing system with a diagnostic function (1991-07-02),

8. 5017994 - Semiconductor circuit (1991-05-21),

9. 5009527 - Thermal transfer color printer with sheet retaining and guiding (1991-04-23),

10. 4998164 - Swing-driven solid-state color image sensor (1991-03-05),

11. 4981776 - Method of manufacturing a plastic encapsulated semiconductor device with (1991-01-01),

12. 4980543 - Multiple denominator bank note depositor/dispenser with automatic (1990-12-25),

13. 4954874 - Package semiconductor device using chalcogenide glass sealing (1990-09-04),

14. 4949152 - Semiconductor integrated circuit (1990-08-14),

15. 4943408 - Method and apparatus for operating nuclear electric power generating (1990-07-24),

Tokyo Shibaura Denki Kabushiki Kaisha, known as Toshiba, is a Japanese multinational conglomerate corporation headquartered in Tokyo. It offers a wide range of products and services, including consumer electronics, industrial and social infrastructure systems, electronic components and materials, and energy systems. With a rich history spanning over 145 years, Toshiba continues to innovate and provide solutions to various industries globally.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

2,916 Patents

#1 in Kawasaki

#79 in Japan

#314 in the World

Kawasaki, Japan

Tokyo Shibaura Denki Kabushiki Kaisha

Forward Citations = 46,689

2,740 inventors:

Katsumi Nagano (39 out of 56 patents)

Hiroshi Iwahashi (28 out of 124 patents)

Tadashi Kojima (27 out of 81 patents)

4. Yasoji Suzuki (26 out of 65 patents)

5. Toshio Yonezawa (21 out of 36 patents)

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