Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411917 | Engine speed calculating apparatus | Yoshiaki Hirakata, Masahiko Abe | 2002-06-25 |
| 6340020 | Stroke identifying unit of a four-stroke engine | Ryutaro Yamazaki, Nobuhiko Ito | 2002-01-22 |