For the Inventor, By the Inventor

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Suitashi, Japan

Rp Topla Limited

USPTO Granted Patents = 8

EPO Patents = 4

Trademarks = 1

Forward Citations = 27

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28 inventors (with patents filed for the assignee):

Tomoyoshi Sakamoto (5 out of 5 patents)

Minoru Ojiro (4 out of 4 patents)

Hiroki Katagiri (4 out of 4 patents)

4. Takashi Hirose (2 out of 2 patents)

5. Kunihiro Iwata (1 out of 8 patents)

6. Hideaki Sakai (1 out of 18 patents)

7. Yasuhiro Sone (1 out of 7 patents)

8. Kazuhiro Yokobori (1 out of 2 patents)

9. Itsuo Takeuchi (1 out of 31 patents)

10. Tokio Sakauchi (1 out of 10 patents)

11. Yasuhiko Hata (1 out of 1 patent)

12. Mutsumi Sasaki (1 out of 6 patents)

13. Yaushiko Hata (1 out of 1 patent)

14. Hiroyuki Minezaki (1 out of 1 patent)

15. Masahiro Arai (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 10703032 - Manufacturing method and manufacturing device for hollow part with branching portion (2020-07-07),

2. 8827690 - Hollow body molding device (2014-09-09),

3. 8709333 - Method of manufacturing pipe with branch (2014-04-29),

4. 8679397 - Method of manufacturing hollow body (2014-03-25),

5. 8550154 - Resin heat exchanger unit, method for manufacturing the resin heat exchanger unit, and heat exchanger (2013-10-08),

6. 8231953 - Transparent plastic container for anticounterfeit system (2012-07-31),

7. 5948343 - Hollow shaped molded article, hollow shaped molding process and hollow (1999-09-07),

8. 5534216 - Method for manufacturing synthetic resin containers (1996-07-09),

Rp Topla Limited is a leading manufacturer and distributor of energy-efficient and environmentally friendly products. With a strong commitment to sustainability, we offer a wide range of top-quality products such as solar panels, LED lighting, and energy management systems. Our innovative solutions help businesses and households reduce their carbon footprint and save on energy costs. Visit our website to learn more about our products and services.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#4 in Suitashi

#4,915 in Japan

Suitashi, Japan

Rp Topla Limited

Forward Citations = 27

28 inventors:

Tomoyoshi Sakamoto (5 out of 5 patents)

Minoru Ojiro (4 out of 4 patents)

Hiroki Katagiri (4 out of 4 patents)

4. Takashi Hirose (2 out of 2 patents)

5. Kunihiro Iwata (1 out of 8 patents)

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