Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213584 | Formal compounds, fuel oil additives, and fuel oil compositions | Hiroumi Izaiku, Shin-ichi Akimoto, Yoshifumi Kubo, Tohru Yasukohchi | 1993-05-25 |
| 5108629 | Organic lubricating coating composition for use in plastic deformation of metal sheet | Hisamichi Matsuda, Show Onodera, Shigeru Wakano, Tadashi Sakane | 1992-04-28 |
| 4885008 | Method for improving cold flow of hydrocarbon fuel oils | Taizo Igarashi, Yasuo Urano, Yumiko Onodera | 1989-12-05 |
| 4509954 | Method for improving cold flow of fuel oils | Tsuneo Kimura, Shingo Yamazaki | 1985-04-09 |
| 4491455 | Method for improving cold flow of fuel oils | Takeshi Nagai, Shingo Yamazaki | 1985-01-01 |
| 4203729 | Method for producing coal dispersing oil compositions | Taizo Igarashi, Hirozumi Shimizu | 1980-05-20 |
| 4187078 | Coal dispersing oil | Hirozumi Shimizu, Taizo Igarashi, Toshio Koma, Hideki Takahashi | 1980-02-05 |