Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355367 | Wideband RF power supply and control method | Itsuo Yuzurihara, Tomohiro Yoneyama, Yu Hosoyamada | 2025-07-08 |
| 12323074 | RF band power supply device and pulse width modulation control method | Itsuo Yuzurihara, Tomohiro Yoneyama, Yu Hosoyamada | 2025-06-03 |
| 11855307 | Metal member and manufacturing method thereof | Riko INUZUKA, Norikazu OSADA, Masato Yoshino, Masahiro Asayama, Tsuneji Kameda | 2023-12-26 |
| 11634330 | Carbonaceous material and method for producing same | Motomi Matsushima, Taketoshi Okuno, Hideharu Iwasaki | 2023-04-25 |
| 11575136 | Metal member and manufacturing method thereof | Riko INUZUKA, Norikazu OSADA, Masato Yoshino, Masahiro Asayama, Tsuneji Kameda | 2023-02-07 |
| 11551877 | Carbonaceous material, and electrode material for electric double layer capacitor, electrode for electric double layer capacitor and electric double layer capacitor that contain carbonaceous material | Motomi Matsushima, Seiya KIMACHI, Hideharu Iwasaki | 2023-01-10 |
| 10984963 | Carbonaceous material, carbonaceous material-containing electrode material for electric double layer capacitor, electrode for electric double layer capacitor, and electric double layer capacitor | Motomi Matsushima, Taketoshi Okuno, Hideharu Iwasaki | 2021-04-20 |
| 10654933 | Method for purifying antibody having low isoelectric point | Yasufumi Ueda, Satoko Yanagita, Takuo Kawase, Masahiro Fukunaga | 2020-05-19 |
| 8208771 | Optical switch | Hiromu IKEDA | 2012-06-26 |
| 8125639 | Temperature compensated spectroscope and optical apparatus | Takehiro Yoshida, Takeshi Yamazaki, Koji Matsumoto, Satoshi Watanabe | 2012-02-28 |
| 7362434 | Optical switch | — | 2008-04-22 |
| 7315670 | Optical switch | Junichi Nakano, Kenzi Murakami | 2008-01-01 |
| 6739730 | Optical pickup deformable mirror | — | 2004-05-25 |
| 6661765 | Optical pickup apparatus | Junichi Nakano, Nobuyoshi Iwasaki, Daisuke Matsuo | 2003-12-09 |
| 6496467 | Optical pickup | — | 2002-12-17 |
| 6434105 | Optical pickup device | — | 2002-08-13 |
| 6396785 | Optical disk apparatus | Junichi Nakano | 2002-05-28 |
| 5627806 | Optical head having beam splitting surface curved to present a substantially uniform angle | — | 1997-05-06 |
| 5621714 | Optical pick-up apparatus having hologram and beam splitter with birefringent member and polarizing film | Takeshi Yamazaki, Hiroyuki Imabayashi | 1997-04-15 |
| 5581403 | Beam shaping and beam splitting device and optical head comprising the same | Yasuhiro Miyazaki | 1996-12-03 |
| 5566142 | Apparatus using an optical pickup | Junichi Nakano, Nobuo Miyairi, Akihiko Yoshizawa | 1996-10-15 |
| 5555232 | Optical head with built-in semiconductor laser, objective lens and 1/4 wavelength plate | Takeshi Yamazaki, Tsuneo Yanagida, Haruhiko Takemura, Toshihiro Ogata | 1996-09-10 |
| 5541906 | Optical head for magneto-optical record medium | — | 1996-07-30 |
| 5465247 | Optical head | — | 1995-11-07 |
| 5438562 | Optical head for recording and/or reproducing information on and/or from opto-magnetic record medium | Yasuhiro Miyazaki, Yasuhiro Fujiwara | 1995-08-01 |