Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934538 | Heat exchanger and water heater | Satoshi Kawaguchi, Hidefumi Koda, Kohei Yamada | 2011-05-03 |
| 7281374 | Hydraulic device for elevating/lowering chair | Masaya Miyazaki, Kaori Haruna | 2007-10-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934538 | Heat exchanger and water heater | Satoshi Kawaguchi, Hidefumi Koda, Kohei Yamada | 2011-05-03 |
| 7281374 | Hydraulic device for elevating/lowering chair | Masaya Miyazaki, Kaori Haruna | 2007-10-16 |