For the Inventor, By the Inventor

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Bunkyo-ku, Japan

Ichikawa Co., Ltd.

USPTO Granted Patents = 97

CIPO Patents = 8

EPO Patents = 50

Trademarks = 1

Forward Citations = 264

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61 inventors (with patents filed for the assignee):

Kenji Inoue (23 out of 93 patents)

Yuya Takamori (14 out of 14 patents)

Yasuyuki Ogiwara (12 out of 12 patents)

4. Atsushi Ishino (11 out of 11 patents)

5. Kazumasa Watanabe (11 out of 35 patents)

6. Ai Tamura (10 out of 10 patents)

7. Shintaro Yamazaki (8 out of 8 patents)

8. Takao Yazaki (8 out of 8 patents)

9. Nobuharu Suzuki (7 out of 16 patents)

10. Ryo Umehara (7 out of 7 patents)

11. Takashi Ouchi (6 out of 8 patents)

12. Hiroyuki Oda (6 out of 31 patents)

13. Takeshi Sawada (5 out of 17 patents)

14. Mitsuyoshi Matsuno (5 out of 5 patents)

15. Hirofumi Ishii (5 out of 5 patents)

Core Competencies:

Papermaking Device

Papermaking Felt

Shoe Press Belt

Wet Paper Web Transfer Belt

Press Felt

Base Fabric

Carrier Belt

Papermaking Process

97 patents: Sort by Forward Citations

1. 12012696 - Papermaking device and method for producing papermaking device (2024-06-18),

2. 11987933 - Papermaking device and method for producing papermaking device (2024-05-21),

3. 11939723 - Papermaking felt and method for manufacturing the same (2024-03-26),

4. 11885070 - Papermaking belt and method for producing papermaking belt (2024-01-30),

5. 11834789 - Papermaking felt and a method of producing the same (2023-12-05),

6. 11718958 - Shoe press belt and method for producing a shoe press belt (2023-08-08),

7. 11686045 - Shoe press belt and method for producing a shoe press belt (2023-06-27),

8. 11603628 - Shoe press belt and method for producing a shoe press belt (2023-03-14),

9. 10526751 - Base fabric for a papermaking felt having seam loops and a method of producing the same (2020-01-07),

10. 10240293 - Papermaking felt (2019-03-26),

11. 10196777 - Shoe press belt and method of manufacturing the same (2019-02-05),

12. 10036120 - Shoe press belt (2018-07-31),

13. 10011950 - Papermaking felt and manufacturing method thereof (2018-07-03),

14. 9982390 - Papermaking felt (2018-05-29),

15. 9920477 - Wet paper web transfer belt (2018-03-20),

Ichikawa Co., Ltd. is a leading provider of innovative solutions for the manufacturing industry. With a deep understanding of customer needs, we offer a wide range of high-quality industrial products including machinery, equipment, and tools. Our commitment to technology advancement and superior craftsmanship has made us a trusted partner for businesses across various sectors. We strive to deliver cutting-edge solutions that optimize productivity, enhance efficiency, and improve overall operational performance. To learn more about our company and explore our extensive product offerings, please visit our website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

97 Patents

#1 in Bunkyo-ku

#1,122 in Japan

#7,773 in the World

Bunkyo-ku, Japan

Ichikawa Co., Ltd.

Forward Citations = 264

61 inventors:

Kenji Inoue (23 out of 93 patents)

Yuya Takamori (14 out of 14 patents)

Yasuyuki Ogiwara (12 out of 12 patents)

4. Atsushi Ishino (11 out of 11 patents)

5. Kazumasa Watanabe (11 out of 35 patents)

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