Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097231 | Method and system for producing activated carbon | Ryou Takeda, Noboru Ishibashi, Kazuyoshi Yamamoto, Yoshio Hara | 2012-01-17 |
| 8038976 | Method and system for producing activated carbon | Ryou Takeda | 2011-10-18 |
| 7663998 | Information reproduction device and read clock monitoring method | Takayoshi Chiba, Atsushi Watanabe | 2010-02-16 |
| 7440376 | Operation condition setting system | Atsushi Watanabe, Junichi Horigome, Masatoshi Nishino, Susumu Seino, Masahiro Uchida | 2008-10-21 |
| 7430157 | Recording device, recording method, reproducing device, and reproducing method | Masatoshi Nishino, Junichi Horigome, Takayoshi Chiba, Hideo Tada, Shigeo Yamaguchi +1 more | 2008-09-30 |
| 7221633 | Disk data reproduction device using NRZI modulated data | Shigeo Yamaguchi | 2007-05-22 |
| 6909681 | Optical disk and optical disk apparatus | Yasuo Tone, Ikuhiro Hideta | 2005-06-21 |
| 6909683 | Optical disc and optical disc drive apparatus | Hiroyuki Takemoto | 2005-06-21 |
| 6906990 | Phase-change optical disk and optical disk apparatus | Takayoshi Chiba, Yasuo Tone, Shigeo Yamaguchi, Junichi Horigome | 2005-06-14 |
| 6809998 | Optical disk drive and method for processing data using the same | — | 2004-10-26 |
| 6716508 | Optical recording medium | Motoyasu Yumita | 2004-04-06 |
| 6587415 | Drive unit having blank/written area identification capability | Mitsugu Imai | 2003-07-01 |
| 6487144 | DISK RECORDING MEDIUM INCLUDING DATA PRE-FORMATTED-DATA-RECORDED HEADER HAVING FIRST AND SECOND IDENTICAL ADDRESS NUMBERS RADIALLY DISPLACED FROM EACH OTHER ON OPPOSITE SIDES OF GROOVE OR LAND TRACK CENTER LINE, AND DISK DRIVE UNIT FOR USE WITH THE RECORDING MEDIUM | Junichi Horigome, Motoyasu Yumita | 2002-11-26 |
| 6196484 | Photographic 120-size film roll | Shunichi Hosaka, Yukiyoshi Ishii | 2001-03-06 |
| 5573129 | Collapsible container for a liquid | Satoshi Hori, Mishi Gomori, Nobuyoshi Yoshida | 1996-11-12 |
| 4594303 | Electrophotographic photoreceptor | Seiji Horie, Junji Nakano, Hideo Sato | 1986-06-10 |
| 4500622 | Electrophotographic light-sensitive printing materials | Seiji Horie, Junji Nakano, Hideo Sato | 1985-02-19 |
| 4477550 | Electrophotographic photoreceptor with hydrazone | Seiji Horie, Junji Nakano, Hideo Sato | 1984-10-16 |
| 4469768 | Electrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting material | Seiji Horie, Junji Nakano, Hideo Sato | 1984-09-04 |
| 4421838 | Processes for preparing photoconductive elements and electrophotosensitive materials | Keiji Takeda, Mitsuharu Nirasawa | 1983-12-20 |
| 4403025 | Electrophotographic photoreceptor | Seiji Horie, Junji Nakano, Hideo Sato | 1983-09-06 |
| 4396694 | Organic electrophotographic sensitive materials | Seiji Horie, Junji Nakano, Hideo Sato | 1983-08-02 |
| 4395473 | Electrophotographic sensitive materials containing barbituric acid or thiobarbituric acid derivaties | Seiji Horie, Junji Nakano, Hideo Sato | 1983-07-26 |
| 4349617 | Function separated type electrophotographic light-sensitive members and process for production thereof | Kazuhiro Kawashiri, Yuzo Mizobuchi, Akio Higashi, Hiroshi Tamura, Keiji Takeda | 1982-09-14 |
| 4254214 | Photographic materials for non-silver images and process for forming non-silver images | Keizi Takeda, Kenji Matsumoto | 1981-03-03 |