Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121488 | Infrared communication apparatus and infrared communication method | Kumiko Yamaguchi, Masaharu Nakatsuchi, Kenji Mameda, Hitoshi Naoe, Masaki Nishida | 2012-02-21 |
| 7986646 | Communication apparatus, communication method, communication circuit, mobile phone, program, and computer readable recording medium with program recorded therein | Kenji Mameda, Fumihiro Fukae, Hitoshi Naoe | 2011-07-26 |
| 6729542 | Method and apparatus for recording digital information in two-dimensional pattern, carrier of digital information recorded thereby, and a method and apparatus for decoding such digital information | Toshiyuki Iwai, Atsushi Aoki, Masahiro Esashi, Hiroaki Niwamoto, Norimasa Yamaguchi | 2004-05-04 |
| 6388784 | Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data | Makoto Nakamura, Yoshihiro Ohtani, Hiroshi Uno, Hiroyuki Nakaoka, Yutaka Ikeda +1 more | 2002-05-14 |
| 6302329 | Method and apparatus for recording digital information in two-dimensional pattern, carrier of digital information recorded thereby, and a method and apparatus for decoding such digital information | Toshiyuki Iwai, Atsushi Aoki, Masahiro Esashi, Hiroaki Niwamoto, Norimasa Yamaguchi | 2001-10-16 |