Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8663486 | Method of manufacturing a magnetic recording medium | — | 2014-03-04 |
| 7215075 | Organic el device having upper electrode including plurality of transparent electrode layers and method for manufacturing the same | — | 2007-05-08 |
| 5939202 | Magnetic recording medium and method for manufacturing the same | Toyoji Ataka, Keiji Ohkubo, Naoki Takizawa, Kazuo Enomoto | 1999-08-17 |
| 5843561 | Magnetic recording medium and method for manufacturing the same | Hiroyuki Uwazumi, Naoki Takizawa | 1998-12-01 |
| 5689359 | Polarization independent optical isolator | Masaaki Tojo, Hironori Souda | 1997-11-18 |
| 5689360 | Polarization independent optical isolator | Masaaki Tojo, Hironori Souda | 1997-11-18 |
| 5574595 | Optical isolator | Masaaki Tojo, Hironori Souda | 1996-11-12 |
| 5537503 | Optical semiconductor module and method of fabricating the same | Masaaki Tojo | 1996-07-16 |
| 5499132 | Optical passive components | Masaaki Tojo, Hironori Souda | 1996-03-12 |
| 5493440 | Optical isolator and optical fiber amplifier | Hironori Souda, Masaaki Tojo, Masanori Iida | 1996-02-20 |
| 5478657 | Titanium discs useful for magnetic discs | Hiroyoshi Suenaga, Iwao Ida, Hitoshi Nagashima, Masanori Ohmura, Naoto Kohshiro | 1995-12-26 |
| 5355249 | Optical passive components | Hironori Souda, Masaaki Tojo | 1994-10-11 |
| 5299056 | Optical passive component assembly | Hironori Souda, Masaaki Tojo | 1994-03-29 |
| 4704920 | Power transmission device of four wheel drive vehicle | — | 1987-11-10 |
| 4606429 | Vehicle drive system | — | 1986-08-19 |
| 4530681 | Chain tensioner | Toshifumi Ito | 1985-07-23 |
| 4498553 | Power transmission casing apparatus in motorized two-wheeled vehicle | Kunio Miyazaki, Kuniyuki Yamamoto | 1985-02-12 |
| 4494623 | Power transmission casing apparatus in motorized two-wheeled vehicle | Kunio Miyazaki, Kuniyuki Yamamoto | 1985-01-22 |
| 4467751 | Sealing structure of a rotary valve in an internal combustion engine | Urataro Asaka, Masanori Masumura | 1984-08-28 |
| 4462350 | Lubrication apparatus in internal combustion engine | — | 1984-07-31 |
| 4404934 | Rotary valve in an internal combustion engine | Urataro Asaka, Masanori Masumura | 1983-09-20 |
| 4344500 | Power transmission casing apparatus in motorized two-wheeled vehicle | Kunio Miyazaki, Kuniyuki Yamamoto | 1982-08-17 |
| 4233717 | Method of bevelling port openings in cylinders for two-cycle engines | Kenichi Noda, Hiroshi Murakami | 1980-11-18 |