Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898622 | Ornamental alloy material and method | — | 1990-02-06 |
| 4640723 | Lead frame and method for manufacturing the same | Shinzo Sugai, Shigemi Yamane | 1987-02-03 |
| 4546049 | Ornamental composite of a metal alloy surrounding a mineral powder core for use in spectacle frames | — | 1985-10-08 |
| 4492603 | Sealing material | — | 1985-01-08 |
| 4485263 | Thermocouple instrument | Masaru Itoyama | 1984-11-27 |
| 4238043 | X-ray image intensifier | Hiroshi Minami, Norio Harao | 1980-12-09 |
| 4198588 | Anode button for a cathode ray tube | Hajime Makio, Yukio Baba | 1980-04-15 |