Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009728 | Die for press-molding optical elements | Makoto Umetani, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 2000-01-04 |
| 6003336 | Method of manufacturing a die for press-molding optical elements | Makoto Umetani, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 1999-12-21 |
| 5904747 | Method of molding optical articles | Hidenao Kataoka, Makoto Umetani, Shoji Nakamura | 1999-05-18 |
| 5759221 | Method of press molding glass optical elements | Makoto Umetani, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 1998-06-02 |
| 5700307 | Die for press-molding optical elements | Makoto Umetani, Hidenao Kataoka, Kenji Inoue, Shoji Nakamura, Satoru Morimoto | 1997-12-23 |
| 5538528 | Glass optical element press-molding die having a tantalum containing alloy surface layer | Makoto Umetani, Masaki Aoki | 1996-07-23 |
| 5425118 | Optical component mounting substrate and method of producing the same | Miho Sugihara, Masaki Aoki, Makoto Umetani, Kenji Inoue | 1995-06-13 |
| 5405652 | Method of manufacturing a die for use in molding glass optical elements having a fine pattern of concavities and convexities | Makoto Umetani, Masaki Aoki | 1995-04-11 |