EPO Patents = 1

Forward Citations = 43

Loading Chart...

19 inventors (with patents filed for the assignee):

Naomasa Shimotomai (3 out of 3 patents)

Hideaki Kaneko (2 out of 17 patents)

Noriaki Kishi (2 out of 5 patents)

4. Ryosuke Sako (2 out of 7 patents)

5. Masayoshi Nishikawa (2 out of 3 patents)

6. Hiroyoshi Mizuno (2 out of 4 patents)

7. Mitsuo Kimura (1 out of 49 patents)

8. Hiroshi Oono (1 out of 6 patents)

9. Kazuhide Manabe (1 out of 1 patent)

10. Nobuo Totsuka (1 out of 12 patents)

11. Takao Kurisu (1 out of 5 patents)

12. Yuji Mishiro (1 out of 1 patent)

13. Masakazu Sengan (1 out of 2 patents)

14. Katsunobu Ishizawa (1 out of 1 patent)

15. Minoru Kanazawa (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7727949 - Cleaning agent for thermostatic chambers (2010-06-01),

2. 5368778 - Cleaner for thermostatic water bath (1994-11-29),

3. 5201119 - Method of manufacturing an aluminum heat exchanger (1993-04-13),

4. 5160590 - Electrolytic processing method for electrolytically processing metal (1992-11-03),

5. 5070938 - Aluminum heat exchanger and method of manufacturing same (1991-12-10),

San-ai Oil Co., Ltd. is a leading distributor of petroleum products in Japan. Founded in 1936, the company has established a strong reputation for providing high-quality fuel and lubricants for a wide range of industries. With a focus on sustainability and innovation, San-ai Oil is committed to meeting the evolving needs of its customers while upholding the highest standards of service and integrity.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

5 Patents

#2,444 in Tokyo

#6,488 in Japan

Tokyo, Japan

San-Ai Oil Co., Ltd.