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Kabushiki Kaisha Kotobuki

USPTO Granted Patents = 15

Forward Citations = 133

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8 inventors (with patents filed for the assignee):

Noboru Sugiyama (5 out of 5 patents)

Ryokichi Yamazaki (4 out of 13 patents)

Fumihiko Suzuki (3 out of 3 patents)

4. Hidehei Kageyama (1 out of 105 patents)

5. Michiyoshi Momose (1 out of 2 patents)

6. Toshihiko Kageyama (1 out of 10 patents)

7. Toshihiko Kimura (1 out of 15 patents)

8. Yukimasa Kuwabara (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 5819475 - Turning up and down apparatus for telescopic tiered spectator's seats (1998-10-13),

2. 5803546 - Turning mechanism for chair seat (1998-09-08),

3. D370791 - Folding chair unit (1996-06-18),

4. 5517789 - Variable floor height telescopic multi-staged spectator seating system (1996-05-21),

5. D352400 - Folding chair unit (1994-11-15),

6. 5324093 - Apparatus for setting operative attitude of furnitures in furniture (1994-06-28),

7. 5271190 - Apparatus for opening and closing covering means for furniture (1993-12-21),

8. 5245799 - Apparatus for opening and closing covering means for furniture (1993-09-21),

9. 5228744 - Apparatus for locking operative position of each furniture on furniture (1993-07-20),

10. 5228246 - Apparatus for turning up an down seats for telescopic seating system (1993-07-20),

11. 5087096 - Apparatus for displacing extensible/contractible board for chair in case (1992-02-11),

12. 4714365 - Mechanical pencil (1987-12-22),

13. 4702043 - Apparatus for turning up and down seats for a telescopic seating system (1987-10-27),

14. 4583874 - Knock-type propelling pencil with storage cartridge (1986-04-22),

15. 4569162 - Apparatus for turning up and down seats for a telescopic seating system (1986-02-11),

Kabushiki Kaisha Kotobuki is a Japanese company that specializes in the manufacturing and distribution of high-quality ceramic products. With a history dating back to 1920, the company has established itself as a leading provider of ceramic tableware and home decor items. Kotobuki's products are known for their elegant designs, durability, and craftsmanship, making them popular among customers both in Japan and internationally.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

15 Patents

#1,342 in Tokyo

#3,367 in Japan

#38,743 in the World

Kabushiki Kaisha Kotobuki

Forward Citations = 133

8 inventors:

Noboru Sugiyama (5 out of 5 patents)

Ryokichi Yamazaki (4 out of 13 patents)

Fumihiko Suzuki (3 out of 3 patents)

4. Hidehei Kageyama (1 out of 105 patents)

5. Michiyoshi Momose (1 out of 2 patents)

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