Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168917 | Casting of dental metals | Reiichi Okuda, Norio Kojima, Kenichi Iiyama, Yoshinobu Yamamura, Shohei Hayashi | 1992-12-08 |
| 5168918 | Casting of dental metals | Reiichi Okuda, Norio Kojima, Kenichi Iiyama, Yoshinobu Yamamura, Shohei Hayashi | 1992-12-08 |
| 5144499 | Optical shaped article for CRT and having particular spectral transmittance characteristics | Seiichi Kawanami, Tatsuo Sugiyama, Yoshiro Suzuki, Yuji Annaka | 1992-09-01 |
| D297762 | Dental flask | — | 1988-09-20 |