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Nippon Tensaiseito Kabushiki Kaisha

USPTO Granted Patents = 12

Forward Citations = 69

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20 inventors (with patents filed for the assignee):

Tetsuo Nambu (3 out of 3 patents)

Tsutomu Aritsuka (2 out of 11 patents)

Akiyoshi Masuda (2 out of 4 patents)

4. Mamoru Sunaga (2 out of 2 patents)

5. Shozo Oikawa (2 out of 2 patents)

6. Reiji Takeda (2 out of 2 patents)

7. Yasutsugu Yamada (2 out of 2 patents)

8. Taizo Nagura (1 out of 4 patents)

9. Yoshihiro Semba (1 out of 1 patent)

10. Osamu Suda (1 out of 1 patent)

11. Yuichi Ohwada (1 out of 1 patent)

12. Michinori Sakaki (1 out of 4 patents)

13. Yukio Sasaki (1 out of 2 patents)

14. Sechiko Takeuchi (1 out of 1 patent)

15. Michio Matsuda (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6224684 - Method for preparing raffinose crystals and equipment for the same (2001-05-01),

2. 5994326 - Anti-atopic dermatitis composition (1999-11-30),

3. 5510337 - Agents for suppression or lowering of blood lipids (1996-04-23),

4. 4837970 - Method of selecting live sugar beet seeds from a mixture of live and (1989-06-13),

5. 4619700 - Wood improver and a method of improving the quality of wood (1986-10-28),

6. 4597343 - Continuous paper-tube potted-seedlings separation transplanting planting (1986-07-01),

7. 4560619 - Wood improver and a method of improving the quality of wood (1985-12-24),

8. 4377001 - Method for optical determination of saturation temperature and apparatus (1983-03-15),

9. 4224098 - Apparatus for producing paper tube assembly for nursing seedlings (1980-09-23),

10. 4167911 - Apparatus for separation and transplanting paper tube seedlings from a (1979-09-18),

11. 4132337 - Continuous paper cylinder assembly and method of separating the same and (1979-01-02),

12. 4121505 - Apparatus for producing paper cylinders for nursing seedlings (1978-10-24),

Nippon Tensaiseito Kabushiki Kaisha, also known as NTK, is a leading manufacturer of precision components and tools for various industries. With a strong focus on innovation and quality, NTK has established itself as a trusted partner for companies worldwide. From cutting tools to ceramic products, NTK offers a wide range of solutions to meet the needs of their customers. Visit their website to learn more about their products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#1,519 in Tokyo

#3,833 in Japan

#46,665 in the World

Nippon Tensaiseito Kabushiki Kaisha

Forward Citations = 69

20 inventors:

Tetsuo Nambu (3 out of 3 patents)

Tsutomu Aritsuka (2 out of 11 patents)

Akiyoshi Masuda (2 out of 4 patents)

4. Mamoru Sunaga (2 out of 2 patents)

5. Shozo Oikawa (2 out of 2 patents)

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