Issued Patents All Time
Showing 25 most recent of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10168047 | Water heating apparatus and system having a scale detecting function | Takao Muko, Yuiko Yano, Yuki Maeshima | 2019-01-01 |
| 9810450 | Water heater | — | 2017-11-07 |
| 9429681 | Light conversion element containing ionic liquid, a process for making same, and an apparatus comprising the light conversion element | Yoichi Murakami | 2016-08-30 |
| RE39163 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara | 2006-07-11 |
| 6984075 | Optical connector with a colored distinguishable shutter | — | 2006-01-10 |
| 6985427 | Multi-layered optical disk and method of detecting a track | Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 2006-01-10 |
| 6958971 | Method of retrieving information with layer identification data from a multi-layered optical disk | Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 2005-10-25 |
| RE38706 | Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara | 2005-02-22 |
| RE38611 | Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara | 2004-10-05 |
| 6728195 | Multi-layered optical disk with shifted track and layer identification and method of detecting a track | Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 2004-04-27 |
| 6683834 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Takashi Ishida, Yoshikazu Goto | 2004-01-27 |
| 6657941 | Recording/reproducing device | Kazunori Kono | 2003-12-02 |
| 6609384 | Dynamic type ice cold storage method | — | 2003-08-26 |
| 6606294 | Optical disk having read-only and rewritable areas | Yoshinari Takemura, Takashi Ishida, Shunji Ohara | 2003-08-12 |
| 6587414 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Takashi Ishida, Yoshikazu Goto | 2003-07-01 |
| 6560187 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Takashi Ishida, Yoshikazu Goto | 2003-05-06 |
| 6553776 | Dynamic type ice cold storage method and system | — | 2003-04-29 |
| 6549499 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara | 2003-04-15 |
| 6496455 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara | 2002-12-17 |
| 6451961 | Ethylenimine polymer, aqueous solution of ethylenimine polymer, production process for the same and purifying process therefor | Seiichi Suzuki, Yoshiyuki Onda | 2002-09-17 |
| 6452884 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Takashi Ishida, Yoshikazu Goto | 2002-09-17 |
| 6444769 | Production process for ethylenimine polymer aqueous solution | Seiichi Suzuki, Yoshiyuki Onda | 2002-09-03 |
| 6430129 | Information recording method, information recording/reproducing apparatus, and information recording medium | Shunji Ohara, Takashi Ishida, Yoshikazu Goto | 2002-08-06 |
| 6421315 | Multi-layered optical disk with shifted track and layer identification and method of detecting a track | Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani, Hiroshi Hamasaka | 2002-07-16 |
| 6418111 | Optical disk compatible with read-only disk and having read-only and rewritable areas with overlapping formats | Yoshinari Takemura, Takashi Ishida, Shunji Ohara | 2002-07-09 |