Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348919 | High-packing silicon nitride powder and method for making | Haruyoshi Kuwabara, Akio Otsuka, Yasuyuki Maki | 1994-09-20 |
| 5327808 | Method for the preparation of a frame-supported pellicle for photolithography | Yoshihiko Nagata, Yuichi Hamada, Yoshihiro Kubota | 1994-07-12 |
| 5326649 | X-ray transmitting membrane for mask in x-ray lithography and method for preparing the same | Yoshihiko Nagata, Hitoshi Noguchi | 1994-07-05 |
| 5308567 | Method for the preparation of a resin membrane | Yoshihiro Kubota, Yoshihiko Nagata, Hitoshi Noguchi | 1994-05-03 |
| 5300348 | Frame-supported pellicle for photolithography, comprising a fluorocarbon containing organopolysiloxane based adhesive | Yoshihiro Kubota, Yoshihiko Nagata, Hitoshi Noguchi, Yuichi Hamada, Shinichi Sato +1 more | 1994-04-05 |
| 5286567 | Pellicle for photolithographic mask | Yoshihiro Kubota, Yoshihiko Nagata, Hitoshi Noguchi | 1994-02-15 |
| 5254419 | Method for dust-proofing in the manufacture of electronic devices and pellicle therefor | Satoshi Watanabe, Toshinobu Ishihara, Yoshihiro Kubota, Ikuo Fukui | 1993-10-19 |
| 5246802 | X-ray permeable membrane for X-ray lithographic mask | Yoshihiro Kubota, Yoshihiko Nagata, Hitoshi Noguchi | 1993-09-21 |
| 5234609 | X-ray permeable membrane for X-ray lithographic mask | Yoshihiko Nagata, Hitoshi Noguchi | 1993-08-10 |
| 5209996 | Membrane consisting of silicon carbide and silicon nitride, method for the preparation thereof and mask for X-ray lithography utilizing the same | Yoshihiro Kubota, Yoshihiko Nagata | 1993-05-11 |
| 5199055 | X-ray lithographic mask blank with reinforcement | Hitoshi Noguchi, Yoshihiko Nagata, Yoshihiro Kubota | 1993-03-30 |
| 5139633 | Film-forming on substrate by sputtering | Yoshihiko Nagata, Hitoshi Noguchi | 1992-08-18 |
| 5132366 | Curable silicone composition | Yasushi Yamamoto, Hiroki Konno, Hirofumi Kishita | 1992-07-21 |
| 5118573 | Magneto-optical recording medium | Yoshio Tawara, Katsushi Tokunaga, Tadao Nomura, Yoshiaki Shimizu, Yoshihiro Kubota | 1992-06-02 |
| 5098515 | Method for the preparation of a silicon carbide-silicon nitride composite membrane for X-ray lithography | Yoshihiro Kubota, Yoshihiko Nagata | 1992-03-24 |
| 5089085 | Silicon carbide membrane for X-ray lithography and method for the prepartion thereof | Yoshihiro Kubota, Yoshihiko Nagata | 1992-02-18 |
| 4983701 | Silicone composition for rendering surfaces non-adherent | Yasuaki Hara, Masahiko Ogawa | 1991-01-08 |
| 4895761 | Sheets with silicone-based surface-release film | Yasuaki Hara | 1990-01-23 |
| 4849491 | Curable organopolysiloxane composition | Masahiko Ogawa, Kenichi Isobe | 1989-07-18 |
| 4726964 | Method for imparting releasability to a substrate surface | Kenichi Isobe, Hisashi Aoki, Yasuaki Hara, Kiyohiro Kondow | 1988-02-23 |