Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10080259 | Three-dimensional ceramic heater | Takuma Kushihashi, Kazuyoshi Tamura | 2018-09-18 |
| 8115141 | Heating element | Yoshihiro Kubota, Waichi Yamamura, Shoji Kano | 2012-02-14 |
| 7952054 | Heating element | Yoshihiro Kubota, Waichi Yamamura, Shoji Kano | 2011-05-31 |
| 7682451 | PBN container and method for producing PBN container | Takuma Kushihashi | 2010-03-23 |
| 7683295 | Heating element | Takuma Kushihashi | 2010-03-23 |
| 7329842 | Ceramic heater and method for producing ceramic heater | Takuma Kushihashi, Masaki Seki | 2008-02-12 |
| 7238078 | Airplane types changeable model flight toy | — | 2007-07-03 |
| 6924012 | Pyrolytic boron nitride double container and manufacture thereof | Kenji Satoh, Masaki Seki | 2005-08-02 |
| 6802241 | Air balancing device | — | 2004-10-12 |
| 6570839 | Optical data system and optical disk relating thereto | Ronald G. Vitullo, Yasuhiro Yamazaki | 2003-05-27 |
| 6542451 | Retrieving data from a storage device using programmable filter and equalizer | Wen-Yung Yeh | 2003-04-01 |
| 6411580 | Storing data on a medium in an optical system | Ronald G. Vitullo, Yasuhiro Yamazaki | 2002-06-25 |
| 6343061 | Optical data system and high density optical disk relating thereto | Ronald G. Vitullo, Yasuhiro Yamazaki | 2002-01-29 |
| 6221256 | Portable apparatus for preventing diffusion and landing of outflow oil | — | 2001-04-24 |
| 6197391 | Pyrolytic boron nitride container and manufacture thereof | Takuma Kushihashi, Kazuhiro Yamaguchi, Akira Satoh | 2001-03-06 |
| 5952063 | Crucible of pyrolytic boron nitride for molecular beam epitaxy | Koji Hagiwara | 1999-09-14 |
| 5925429 | Pyrolytic boron nitride container, and manufacture thereof | Takuma Kushihashi, Akira Satoh | 1999-07-20 |
| 5894468 | Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level | Wen-Yung Yeh | 1999-04-13 |
| 5882730 | Method for the preparation of a double-coated body of boron nitride | Yukio Kurosawa | 1999-03-16 |
| 5859825 | Optical data storage and retrieval system and method | Ronald G. Vitullo, Yasuhiro Yamazaki | 1999-01-12 |
| 5790495 | Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component | Wen-Yung Yeh | 1998-08-04 |
| 5775197 | Pressure regulating circuit | — | 1998-07-07 |
| 5774440 | Optical data storage and retrieval system and method | Ronald G. Vitullo, Yasuhiro Yamazaki | 1998-06-30 |
| 5762865 | Pyrolytic boron nitride crucible | Takuma Kushihashi, Kazuhiro Yamaguchi | 1998-06-09 |
| 5761170 | Optical data storage and retrieval system and method | Ronald G. Vitullo, Yasuhiro Yamazaki | 1998-06-02 |