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Forward Citations = 161

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8 inventors (with patents filed for the assignee):

Akitoshi Iwatani (6 out of 7 patents)

Eiichi Ishigaki (1 out of 19 patents)

Ittshu Yokota (1 out of 1 patent)

4. Ittshu Yokata (1 out of 1 patent)

5. Masataro Takuma (1 out of 1 patent)

6. Yasuhiro Suekane (1 out of 1 patent)

7. Ichiro Noda (1 out of 1 patent)

8. Hisao Nakao (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 4919775 - Method and apparatus for electrolytic treatment of sludge (1990-04-24),

2. 4900436 - Apparatus for cake removal in a filter press (1990-02-13),

3. 4512889 - Filter press (1985-04-23),

4. 4511469 - Filter press of movable twin head type (1985-04-16),

5. 4200532 - Wastewater treatment apparatus (1980-04-29),

6. 4198301 - Filter apparatus using floating filter medium (1980-04-15),

7. 4178251 - Apparatus for dehydration of sludge (1979-12-11),

8. 4137171 - Process for treating waste water and an apparatus therefor (1979-01-30),

9. 4045344 - Apparatus for treating waste water (1977-08-30),

10. 4032450 - Filter press (1977-06-28),

Ishigaki Kiko Co., Ltd. is a leading manufacturer of high-quality plastic products based in Japan. With over 50 years of experience, we specialize in producing a wide range of plastic components for various industries. Our commitment to innovation, quality, and customer satisfaction sets us apart in the market.

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USPTO Data Jan 1 1976 - Dec 9 2025

10 Patents

#1,690 in Tokyo

#4,283 in Japan

#54,238 in the World

Tokyo, Japan

Ishigaki Kiko Co., Ltd.