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Nihon Tensaiseito Kabushiki Kaisha

USPTO Granted Patents = 11

CIPO Patents = 3

Forward Citations = 62

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22 inventors (with patents filed for the assignee):

Hidekazu Terasawa (8 out of 10 patents)

Masashi Tanimura (7 out of 9 patents)

Sumio Ito (6 out of 8 patents)

4. Ryuzo Tsuru (4 out of 4 patents)

5. Michinori Sakaki (3 out of 4 patents)

6. Tetsuo Nanbu (2 out of 5 patents)

7. Akiyoshi Masuda (2 out of 4 patents)

8. Tsutomu Aritsuka (1 out of 11 patents)

9. Yasunobu Kawamoto (1 out of 3 patents)

10. Mitsuru Kawase (1 out of 1 patent)

11. Sohei Nakamura (1 out of 1 patent)

12. Shosuke Higashimori (1 out of 1 patent)

13. Hisashi Matsumoto (1 out of 1 patent)

14. Hiroshi Matsuki (1 out of 1 patent)

15. Takayuki Nagano (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5996513 - Machine for transplanting seedlings (1999-12-07),

2. 5653055 - Continuously assembled pots for raising and transplanting seedlings (1997-08-05),

3. 5595020 - Continuous assembly of pots for raising and transplanting seedlings (1997-01-21),

4. 5470434 - Decay-resistant paper for the manufacture of a pot for raising and (1995-11-28),

5. 5415115 - Machine of the type placed on the ground for transplanting a series of (1995-05-16),

6. 5257475 - Pot aggregate for raising seedlings and process for manufacturing the (1993-11-02),

7. 5221552 - Porridgelike dietary fiber, foods containing the same, and method for (1993-06-22),

8. 5155935 - Assembly of pots for raising and transplantation (1992-10-20),

9. 5058320 - Multiple pot for raising and transplanting seedlings and method of (1991-10-22),

10. 4963230 - Agricultural paper and process for producing the same (1990-10-16),

11. 4950218 - Multiple pot for raising and transplanting seedlings and method of (1990-08-21),

Nihon Tensaiseito Kabushiki Kaisha, also known as NTK, is a Japanese company specializing in the development and production of cutting tools, precision parts, and measuring instruments for various industries such as automotive, aerospace, and precision equipment. With over 50 years of experience, NTK has established itself as a trusted provider of high-quality and innovative solutions to its customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#3 in all of

#4,039 in Japan

#50,159 in the World

Nihon Tensaiseito Kabushiki Kaisha

Forward Citations = 62

22 inventors:

Hidekazu Terasawa (8 out of 10 patents)

Masashi Tanimura (7 out of 9 patents)

Sumio Ito (6 out of 8 patents)

4. Ryuzo Tsuru (4 out of 4 patents)

5. Michinori Sakaki (3 out of 4 patents)

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