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For the Inventor, By the Inventor

Chiyoda-ku, Japan

Toshiba Kikai Kabushiki Kaisha


USPTO Granted Patents = 746


Trademarks = 8

Forward Citations = 6,079

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721 inventors (with patents filed for the assignee):

goldMedal Jun Fujita (40 out of 43 patents)

silverMedal Mitsunori Kokubo (27 out of 31 patents)

bronzeMedal Jun Koike (23 out of 27 patents)

4.  Hiroshi Yokoyama (22 out of 55 patents)

5.  Takayoshi Sano (22 out of 24 patents)

6.  Norihiro Iwamoto (21 out of 25 patents)

7.  Makoto Tsuji (20 out of 26 patents)

8.  Takao Date (17 out of 17 patents)

9.  Shinya Itani (16 out of 16 patents)

10.  Kouichi Katoh (16 out of 16 patents)

11.  Makoto Nishizawa (16 out of 30 patents)

12.  Takeshi Momochi (16 out of 17 patents)

13.  Satoru Nitta (15 out of 17 patents)

14.  Minoru Hamamura (15 out of 15 patents)

15.  Shigeru Fujita (15 out of 26 patents)


Core Competencies:
Extruder Technology
Additive Manufacturing
Deep Ultraviolet LED
Molding Apparatus
Machine Tool Control
Twin-Screw Extruder
Injection Molding
Precision Machinery
Industrial Machinery
Shape Forming
Casting Systems
Grinding Tools

746 patents:

1. 11400633 - Extruder screw passages, extruder and extrusion method (2022-08-02),
2. 11400632 - Extruder screw with conveying portions and barrier portions and extrusion methods using the extruder screw and a plurality of barrel blocks (2022-08-02),
3. 11179890 - Additive manufacturing device and additive manufacturing method (2021-11-23),
4. 11123897 - Barrel block for twin-screw extruder and twin-screw extruder (2021-09-21),
5. 11040482 - Transfer method, transfer apparatus, and mold (2021-06-22),
6. 10974361 - Method for correcting a position of a tip of a machine tool (2021-04-13),
7. 10967554 - Extruder screw having paths within the screw, extruder, and extrusion method (2021-04-06),
8. 10950751 - Deep ultraviolet LED and method for manufacturing the same (2021-03-16),
9. 10894351 - Clip-type stretching apparatus (2021-01-19),
10. 10843408 - Nozzle and additive manufacturing apparatus (2020-11-24),
11. 10836081 - Device for forming thin film member and method of forming thin film member (2020-11-17),
12. 10835953 - Molten metal feed pipe for molten nonferrous alloy, assembly of molten metal feed pipes, and nonferrous alloy casting system (2020-11-17),
13. 10814539 - Plasticizing device, injection device, molding apparatus, and manufacturing method of molded parts (2020-10-27),
14. 10807288 - Mold clamping apparatrus, molding apparatus and molding method (2020-10-20),
15. 10807285 - Molded article manufacturing method, molded article, and molded article manufacturing apparatus (2020-10-20),
Toshiba Kikai Kabushiki Kaisha is a Japanese manufacturer of heavy machinery, industrial equipment, and precision machinery. The company offers a wide range of products including power plants, compressors, motors, and machine tools. With a history dating back to 1938, Toshiba Kikai is known for its innovation, quality, and technological expertise in the manufacturing industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

746 Patents

#7 in Chiyoda-ku

#273 in Japan

#1,302 in the World

...
Chiyoda-ku, Japan

Toshiba Kikai Kabushiki Kaisha

Forward Citations = 6,079

721 inventors:

goldMedal Jun Fujita (40 out of 43 patents)

silverMedal Mitsunori Kokubo (27 out of 31 patents)

bronzeMedal Jun Koike (23 out of 27 patents)

4.  Hiroshi Yokoyama (22 out of 55 patents)

5.  Takayoshi Sano (22 out of 24 patents)

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