Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9612457 | Off quadrature biasing of mach zehnder modulator for improved OSNR performance | Radhakrishnan L. Nagarajan, Hari Shankar, Masaki Kato | 2017-04-04 |
| 9523867 | Off quadrature biasing of Mach Zehnder modulator for improved OSNR performance | Radhakrishnan L. Nagarajan, Hari Shankar, Masaki Kato | 2016-12-20 |
| 9323128 | Off quadrature biasing of mach zehnder modulator for improved OSNR performance | Radhakrishnan L. Nagarajan, Hari Shankar, Masaki Kato | 2016-04-26 |
| 7246645 | Tire chain assembly operated easily | — | 2007-07-24 |
| 6345653 | Snow chains for vehicles | — | 2002-02-12 |
| 6230772 | Structure of an anti-skid device for vehicle tires | — | 2001-05-15 |