Issued Patents All Time
Showing 101–125 of 140 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6674565 | Travelling wave-type optical modulator | Atsuo Kondo, Jungo Kondo, Osamu Mitomi | 2004-01-06 |
| 6631231 | Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements | Kiminori Mizuuchi, Kazuhisa Yamamoto, Tatsuo Kawaguchi, Takashi Yoshino, Minoru Imaeda +1 more | 2003-10-07 |
| 6571026 | Traveling wave optical modulators and a method for the production thereof | Atsuo Kondo, Jungo Kondo | 2003-05-27 |
| 6556727 | Travelling wave-type optical modulator | Makoto Minakata, Jungo Kondo, Atsuo Kondo, Osamu Mitomi | 2003-04-29 |
| 6539130 | Traveling wave optical modulators | Atsuo Kondo, Jungo Kondo | 2003-03-25 |
| D464343 | Four groove magnetic tape drive head | — | 2002-10-15 |
| D464046 | Six groove magnetic tape drive head | — | 2002-10-08 |
| 6455629 | Aqueous matte coating composition | Tetsuya Yokoyama, Masahiro Kondo, Hiromi Harakawa | 2002-09-24 |
| 6400494 | Traveling wave optical modulator | Jungo Kondo, Atsuo Kondo | 2002-06-04 |
| 6329274 | Method of producing semiconductor device | Naoto Inoue, Takashi Hosaka | 2001-12-11 |
| 6229188 | MOS field effect transistor and its manufacturing method | Ryoji Takada | 2001-05-08 |
| 5925574 | Method of producing a bipolar transistor | Tadao Akamine, Yoshikazu Kojima | 1999-07-20 |
| 5923985 | MOS field effect transistor and its manufacturing method | Ryoji Takada | 1999-07-13 |
| 5874352 | Method of producing MIS transistors having a gate electrode of matched conductivity type | Tadao Akamine | 1999-02-23 |
| 5851909 | Method of producing semiconductor device using an adsorption layer | Masaaki Kamiya, Naoto Saito | 1998-12-22 |
| 5753530 | Impurity doping method with diffusion source of boron-silicide film | Tadao Akamine, Naoto Saito, Yoshikazu Kojima | 1998-05-19 |
| 5532185 | Impurity doping method with adsorbed diffusion source | Tadao Akamine, Naoto Saito | 1996-07-02 |
| 5527733 | Impurity doping method with adsorbed diffusion source | Junichi Nishizawa | 1996-06-18 |
| 5514620 | Method of producing PN junction device | Tadao Akamine, Naoto Saito | 1996-05-07 |
| RE34948 | Electrophotographic type image forming apparatus | Hiroyuki Aizawa, Mitsuaki Maruyama, Shigeru Sawada, Yasuhiro Gyoutoku, Hiroshi Niki +1 more | 1995-05-23 |
| 5366922 | Method for producing CMOS transistor | Naoto Saito | 1994-11-22 |
| 5345103 | Gate controlled avalanche bipolar transistor | — | 1994-09-06 |
| 5338697 | Doping method of barrier region in semiconductor device | Tadao Akamine, Naoto Saito | 1994-08-16 |
| 5246536 | Method for growing single crystal thin films of element semiconductor | Junichi Nishizawa | 1993-09-21 |
| 5242666 | Apparatus for forming a semiconductor crystal | — | 1993-09-07 |