Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864450 | Microlens array sheet and method of producing the same | Masaru Segawa, Masahiko Sugiyama | 2011-01-04 |
| 7515357 | Microlens array sheet and method of producing the same | Masaru Segawa, Masahiko Sugiyama | 2009-04-07 |
| 7359596 | Micro lens array and a method of manufacturing a replication mold for the same | Masahiko Sugiyama, Masaru Segawa | 2008-04-15 |
| 7110643 | Micro lens array and a method of manufacturing a replication mold for the same | Masahiko Sugiyama, Masaru Segawa | 2006-09-19 |
| 5638224 | Tape dubbing and divided master tape producing system | — | 1997-06-10 |
| 5636311 | Tape dubbing and divided master tape producing system | — | 1997-06-03 |
| 5481411 | Tape dubbing and divided master tape producing system | — | 1996-01-02 |