Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354513 | Polarizing film | Katsuji Nakamura, Junichi Fujio, Masakatsu Nakatsuka, Tsutomu Nishizawa | 1994-10-11 |
| 5286418 | Polarizing film | Katsuji Nakamura, Junichi Fujio, Masakatsu Nakatsuka, Tsutomu Nishizawa | 1994-02-15 |
| 5059356 | Polarizing film | Katsuji Nakamura, Junichi Fujio, Masakatsu Nakatsuka, Tsutomu Nishizawa | 1991-10-22 |
| 4842781 | Colored polarizing film and method of making same | Tsutomu Nishizawa, Yasuyuki Yamada, Junichi Fujio | 1989-06-27 |
| 4824882 | Polarizing film | Katsuji Nakamura, Junichi Fujio, Masakatsu Nakatsuka, Tsutomu Nishizawa | 1989-04-25 |