Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10930444 | Electrochemical device | Hiroaki Hasegawa, Yoshihiko Ohashi, Yuji Yoshino, Kazunori Yoshikawa | 2021-02-23 |
| 10910167 | Electrochemical device and method for manufacturing same | Hiroaki Hasegawa, Yuji Yoshino, Kazunori Yoshikawa | 2021-02-02 |
| 10879016 | Electrochemical device and method for manufacturing same | Hiroaki Hasegawa, Yuji Yoshino, Kazunori Yoshikawa, Kazuhiro Anai, Yoshihiko Ohashi | 2020-12-29 |
| 9236632 | Electrochemical device and method for manufacturing electrochemical device | Yoshihiko Ohashi, Kazuo Katai | 2016-01-12 |
| 9083013 | Electrochemical device | Kazuo Katai, Yoshihiko Ohashi, Yosuke Miyaki, Akio Yamanaka, Hiroaki Hasegawa | 2015-07-14 |
| 8760840 | Electrochemical device and manufacturing method thereof, circuit board and housing tray | Hiroaki Hasegawa, Yoshihiko Ohashi, Kazuo Katai, Yosuke Miyaki | 2014-06-24 |
| 8705225 | Electric double layer capacitor with non-equal areas of the active material layers of the positive electrode and the negative electrode | Yoshihiko Ohashi, Keita Kobayashi, Kazuo Katai | 2014-04-22 |
| 8530110 | Lithium-ion secondary battery separator and lithium-ion secondary battery | Katsuo Naoi, Kenji Nishizawa, Mitsuo Kougo, Yoshihiko Ohashi | 2013-09-10 |
| 8435669 | Electro-chemical device and method for manufacturing the same | Naoto TSUKAMOTO, Yoshihiko Ohashi | 2013-05-07 |
| 8355308 | Optical recording medium and recording and reading method of optical recording medium | Koji Mishima, Takashi Kikukawa | 2013-01-15 |
| 8189443 | Method for evaluating signal in optical recording and reading and method for optical recording and reading | Takashi Kikukawa | 2012-05-29 |
| 8144561 | Multilayer optical recording medium | Takashi Kikukawa, Koji Mishima | 2012-03-27 |
| 7940634 | Multilayer optical recording medium and recording method on multilayer optical recording medium | Koji Mishima, Takashi Kikukawa | 2011-05-10 |
| 7929390 | Optical recording method on multilayer optical recording medium and optical recording apparatus | Takashi Kikukawa, Koji Mishima | 2011-04-19 |
| 7838097 | Hardcoat agent composition and optical information medium thereof | Naoki Hayashida, Rie Ihara, Kazushi Tanaka | 2010-11-23 |
| 7817526 | Optical recording medium | Koji Mishima, Takashi Kikukawa | 2010-10-19 |
| 7787334 | Optical recording method on multilayer optical recording medium, optical recording apparatus, and multilayer optical recording medium | Takashi Kikukawa, Koji Mishima, Tsutomu Aoyama | 2010-08-31 |
| 7697407 | Multilayer optical recording medium and method for recording information in multilayer optical recording medium | Koji Mishima, Takashi Kikukawa, Daisuke Yoshitoku | 2010-04-13 |
| 7632874 | Hardcoat agent composition and optical information medium thereof | Naoki Hayashida, Rie Ihara, Kazushi Tanaka | 2009-12-15 |
| 7524549 | Method for evaluating optical information medium and optical information medium | Kazushi Tanaka, Naoki Hayashida, Hiroshi Take | 2009-04-28 |
| 7338695 | Method for evaluating optical information medium and optical information medium | Kazushi Tanaka, Naoki Hayashida, Hiroshi Take | 2008-03-04 |
| 7138155 | Method for evaluating optical information medium and optical information medium | Kazushi Tanaka, Naoki Hayashida | 2006-11-21 |
| 7132146 | Optical recording medium | Naoki Hayashida, Kenji Yoneyama, Kazushi Tanaka, Tsuyoshi Komaki, Kentaro Iida | 2006-11-07 |
| 7090909 | Hard coat agent composition and optical information medium using the same | Kenji Yoneyama, Kazushi Tanaka | 2006-08-15 |
| 7092091 | Method of evaluating optical information medium | Kazushi Tanaka | 2006-08-15 |