Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265334 | Ceramic sintered product and process for producing the same | Yoshihisa Sechi, Masahiro Sato, Shoji Kohsaka | 2001-07-24 |
| 5958813 | Semi-insulating aluminum nitride sintered body | Yumiko Ito, Takero Fukudome, Kazuhiko Mikami | 1999-09-28 |
| 5886863 | Wafer support member | Koichi Nagasaki, Kazuhiro Kuchimachi, Saburo Nagano, Yasunori KAWANABE, Kenji Kitazawa | 1999-03-23 |
| 5777543 | Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase | Kazuhiko Mikami, Kenji Kitazawa | 1998-07-07 |
| 5668524 | Ceramic resistor and electrostatic chuck having an aluminum nitride crystal phase | Kazuhiko Mikami, Kenji Kitazawa | 1997-09-16 |
| 5653932 | Injection molding method for preventing formation of surface defects and mold assembly therefor | Haruhiko Yoshizaki, Takamitsu Hosoyama | 1997-08-05 |
| 5540581 | Mold for injection molding a thermoplastic part free from sink marks using a void inducing member | Ryohei Hazawa | 1996-07-30 |
| 5275798 | Method for producing diamond films | — | 1994-01-04 |
| 5232654 | Injection molding method for manufacturing a thermoplastic part free from sink marks using a void inducing member | Ryohei Hazawa | 1993-08-03 |
| 5225275 | Method of producing diamond films | — | 1993-07-06 |
| 4963087 | Expansion injection molding die | Shoichi Hamada, Hisanori Kato | 1990-10-16 |