Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12324032 | Systems and methods for managing wisp voucher codes for transportation vehicles | — | 2025-06-03 |
| 8155622 | Systems and methods for providing wireless telecommunications access to authorized wireless service subscribers | David Moshenberg | 2012-04-10 |
| 6294251 | Colored film | Toshio Minagawa, Kohei Tachikawa, Chandrakant C. Patel | 2001-09-25 |
| 5683805 | Colored film | Katsuyuki Oita, Kohei Tachikawa, Chandrakant C. Patel, Toshio Minagawa | 1997-11-04 |
| 5518613 | Portable water purifying and drinking device | Paula M. Koczur | 1996-05-21 |