Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067101 | Capacitor electrode and method of manufacturing the same | Yoshiko Hishitani, Didier Hamm, Masaharu Hatano, Makoto Uchiyama | 2011-11-29 |
| 7583413 | Signal output and image forming apparatus with method of judging sheet type by impact detection | Masatake Akaike, Norio Kaneko, Takehiko Kawasaki, Koichiro Nakanishi, Naoyo Gemma +1 more | 2009-09-01 |
| 7426062 | Signal output apparatus, image forming apparatus and information output apparatus | Masatake Akaike, Norio Kaneko, Takehiko Kawasaki, Koichiro Nakanishi, Naoyo Gemma +1 more | 2008-09-16 |
| 6666943 | Film transfer method | Takatsugu Wada, Masatake Akaike, Takehiko Kawasaki, Rei Kurashima, Satoshi Nozu +1 more | 2003-12-23 |
| 6541386 | Method for producing a structure with narrow pores | Toshiaki Aiba, Taiko Motoi, Tohru Den, Tatsuya Iwasaki | 2003-04-01 |
| 6214738 | Method for producing narrow pores and structure having the narrow pores, and narrow pores and structure produced by the method | Toshiaki Aiba, Taiko Motoi, Tohru Den, Tatsuya Iwasaki | 2001-04-10 |
| 5926497 | Diffraction grating with alternately-arranged different regions, optical semiconductor device with the diffraction grating, and apparatus and optical communication system using the same | Jun Nitta, Yuichi Handa | 1999-07-20 |
| 5681448 | Electrochemical process and system for etching semiconductor substrates | Makoto Uchiyama, Yasukazu Iwasaki | 1997-10-28 |
| 5613020 | Optical devices having a periodical current restraint layer and optical communication systems using the optical device | Mamoru Uchida | 1997-03-18 |
| 5444351 | System and method for controlling induction motor applicable to electric motor-driven vehicle | Yoshinori Yamamura, Yasuki Ishikawa, Yasuhiko Kitajima, Kazuma Okura | 1995-08-22 |
| 5298739 | Photodetector capable of sweeping out unwanted carriers and an optical communication system including the same | Tamayo Hiroki | 1994-03-29 |
| 5287422 | Integrated type optical node and optical information system using the same | Uuichi Handa, Hajime Sakata | 1994-02-15 |
| 5285514 | Waveguide type photodetector and a method of fabricating the same | Tamayo Hirokio | 1994-02-08 |
| 5222163 | Integrated type optical node and optical information system using the same | Uuichi Handa, Hajime Sakata | 1993-06-22 |
| 5220573 | Optical apparatus using wavelength selective photocoupler | Hajime Sakata | 1993-06-15 |
| 5196717 | Field effect transistor type photo-detector | Tamayo Hiroki | 1993-03-23 |
| 5173149 | Method of etching semiconductor substrate | Makoto Uchiyama | 1992-12-22 |
| 5172207 | Semiconductor wafer to be etched electrochemically | Makoto Uchiyama | 1992-12-15 |
| 5167778 | Electrochemical etching method | Hiroyuki Kaneko, Makoto Uchiyama, Norihiko Kiritani | 1992-12-01 |
| 5140149 | Optical apparatus using wavelength selective photocoupler | Hajime Sakata | 1992-08-18 |
| 5109444 | Integrated type optical node and optical information system using the same | Uuichi Handa, Hajime Sakata | 1992-04-28 |
| 5032710 | Photodetector to detect a light in different wavelength regions through clad layer having different thickness portions | — | 1991-07-16 |
| 4971415 | Multibeam emitting device | Toshitami Hara, Akira Shimizu, Yoshinobu Sekiguchi, Seiichi Miyazawa, Isao Hakamada | 1990-11-20 |
| 4962062 | Method of tightly joining two semiconductor substrates | Makoto Uchiyama | 1990-10-09 |
| 4836888 | Method of chemically etching semiconductor substrate | Ryuta Hirayama | 1989-06-06 |