Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373836 | Water heater | Serizawa Noriyuki, Shike Tsutomu | 1994-12-20 |
| 5298207 | Method of producing a microcell polymer filter for use in flow rate regulating mechanisms for gas lighters and similar devices | Masato Seki, Tsutomu Shike | 1994-03-29 |