Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6377890 | Navigator | — | 2002-04-23 |
| 5831552 | Traffic information display unit | Toshio Sogawa, Katsuro Hayami, Toshiyuki Matsuo, Ikuo Saga, Shigeki Nakane | 1998-11-03 |
KD
Katsuji Doi
Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
Overall (All Time): #2,212,961 of 4,157,543Top 55%
2
Patents All Time