Issued Patents All Time
Showing 101–123 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425118 | Optical component mounting substrate and method of producing the same | Miho Sugihara, Makoto Umetani, Yoshinari Kashiwagi, Kenji Inoue | 1995-06-13 |
| 5405652 | Method of manufacturing a die for use in molding glass optical elements having a fine pattern of concavities and convexities | Yoshinari Kashiwagi, Makoto Umetani | 1995-04-11 |
| 5378548 | Magnetic recording medium and its manufacturing process | Hideo Torii, Eiji Fujii, Masumi Hattori, Kiyoshi Kuribayashi | 1995-01-03 |
| 5286975 | Pyro-electric type infrared-ray sensor | Toshiaki Ogura, Nahoko Shimamura | 1994-02-15 |
| 5068147 | Soft magnetic thin film comprising alternate layers of iron carbide with either iron, iron nitride or iron carbon-nitride | Tohru Hori, Kenichi Fujii | 1991-11-26 |
| 5006363 | Plasma assited MO-CVD of perooskite dalectric films | Eiji Fujii, Hideo Torii | 1991-04-09 |
| 4994399 | Method of gettering heavy-metal impurities from silicon substrates by laser-assisted intrinsic gettering | — | 1991-02-19 |
| 4975324 | Perpendicular magnetic film of spinel type iron oxide compound and its manufacturing process | Hideo Torii, Eiji Fujii, Nobuyuki Aoki, Keiichi Ochiai | 1990-12-04 |
| 4957812 | Composite magnetic powder, method for producing the same and recording medium containing the same | Nobuyuki Aoki, Hideo Torii, Keiichi Ochiai, Eiji Fujii | 1990-09-18 |
| 4953385 | Information storage stamper and method of manufacturing disks using the same | Hideo Torii, Kiyoshi Kuribayashi, Hideto Monji, Makoto Umetani, Eiji Fujii | 1990-09-04 |
| 4886714 | Platelike magnetic powder and a recording medium which uses the platelike magnetic powder | Hideo Torii, Hideaki Komoda, Nobuyuki Aoki, Ikuo Ota, Keiichi Ochiai | 1989-12-12 |
| 4842633 | Method of manufacturing molds for molding optical glass elements and diffraction gratings | Kiyoshi Kuribayashi, Makoto Umetani, Hideto Monji | 1989-06-27 |
| 4811148 | Alloy magnetic recording head | Masayuki Sakai, Hideo Torii, Hideyuki Okinaka, Hozumi Hirota | 1989-03-07 |
| 4721518 | Mold for press-molding glass elements | Hideto Monji, Hideo Torii, Hideyuki Okinaka | 1988-01-26 |
| 4717584 | Method of manufacturing a magnetic thin film | Hideo Torii, Hideyuki Okinaka, Masayuki Sakai | 1988-01-05 |
| 4685948 | Mold for press-molding glass optical elements and a molding method using the same | Kiyoshi Kuribayashi, Masayuki Sakai, Hideto Monji, Hideyuki Okinaka, Hideo Torii | 1987-08-11 |
| 4629487 | Molding method for producing optical glass element | Hideto Monji, Hideo Torii, Hideyuki Okinaka | 1986-12-16 |
| 4606750 | Mold for direct press molding of optical glass element | Hideo Torii, Hideyuki Okinaka, Satoru Yuhaku, Shoji Nakamura | 1986-08-19 |
| 4433408 | Cantilever for pickup cartridge | Koichi Azuma, Masahiro Nagasawa, Hiroshi Yamazoe | 1984-02-21 |
| 4382454 | Boron cantilever pipe | Shigeru Yoshida, Hiroshi Yamazoe, Masahiro Nagasawa | 1983-05-10 |
| 4333861 | Thick film varistor | Mitsuhiro Ohtani | 1982-06-08 |
| 4279691 | Method of making boron cantilever | Shigeru Yoshida, Hiroshi Yamazoe, Masahiro Nagasawa | 1981-07-21 |
| 4212838 | Process for manufacture of cantilever for pickup cartridge | Koichi Azuma, Masahiro Nagasawa, Hiroshi Yamazoe | 1980-07-15 |