Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11335201 | Passage possibility determination apparatus, passage possibility determination method, and computer program | Hajime Sakakibara, Arata Doi, Hiroshi Matsumoto | 2022-05-17 |
| 11270580 | Traffic signal control apparatus, traffic signal control method, and computer program | Hajime Sakakibara, Arata Doi, Hiroshi Matsumoto | 2022-03-08 |
| 11232706 | Traffic signal control apparatus, traffic signal control method, and computer program | Hajime Sakakibara, Arata Doi, Hiroshi Matsumoto | 2022-01-25 |
| 7189336 | Etchant, method for roughening copper surface and method for producing printed wiring board | Yoshihiko Morikawa, Kazunori Senbiki | 2007-03-13 |
| 6902626 | Method for roughening copper surface | Yoshihiko Morikawa, Kazunori Senbiki | 2005-06-07 |
| 6666987 | Liquid etchant and method for roughening copper surface | Yoshihiko Morikawa, Kazunori Senbiki | 2003-12-23 |
| 6544436 | Etchant, method for roughening copper surface and method for producing printed wiring board | Yoshihiko Morikawa, Kazunori Senbiki | 2003-04-08 |
| 4407652 | Apparatus for calcining raw materials in the form of powder or particles | Toshikazu Ichiyanagi, Kanzaburo Sudoh, Keisuke Ogawa | 1983-10-04 |