Ishikawa; Shigeta
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ishikawa; Shigeta.The latest application filed is for "electrode forming method for a polymer optical waveguide".
- Ishikawa; Shigeta - Tokyo JP
| Patent | Date |
|---|---|
| Electrode forming method for a polymer optical waveguide App 20070019911 - Wu; Yuyuing ; et al. | 2007-01-25 |
| Optical multiplexer/demultiplexer using interference filters Grant 4,482,994 - Ishikawa November 13, 1 | 1984-11-13 |
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