Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876953 | Siphon coffee maker | Tomio Hotta | 1989-10-31 |
| 4858095 | Magnetron drive apparatus | Ryuho Narita, Hidenori Kako | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876953 | Siphon coffee maker | Tomio Hotta | 1989-10-31 |
| 4858095 | Magnetron drive apparatus | Ryuho Narita, Hidenori Kako | 1989-08-15 |