Issued Patents All Time
Showing 126–150 of 169 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5483370 | Crossconnect apparatus for a coherent transmission system | — | 1996-01-09 |
| 5475692 | Semiconductor memory device | Susumu Hatano, Jun Kitano, Kenji Nishimoto, Shin'ichi Ikenaga, Masayasu Kawamura +3 more | 1995-12-12 |
| 5430304 | Blanking aperture array type charged particle beam exposure | Hiroshi Yasuda, Yoshihisa Oae, Tomohiko Abe, Shunsuke Fueki | 1995-07-04 |
| 5426613 | Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor | Hidetoshi Iwai, Satoshi Oguchi, Hisashi Nakamura, Hiroyuki Uchiyama, Toshitugu Takekuma +10 more | 1995-06-20 |
| 5420433 | Charged particle beam exposure apparatus | Yoshihisa Oae, Hiroshi Yasuda | 1995-05-30 |
| 5401974 | Charged particle beam exposure apparatus and method of cleaning the same | Yoshihisa Oae, Takamasa Satoh, Kiichi Sakamoto, Hiroshi Yasuda, Soichiro Arai +1 more | 1995-03-28 |
| 5376802 | Stencil mask and charge particle beam exposure method and apparatus using the stencil mask | Kiichi Sakamoto, Yoshihisa Oae, Hiroshi Yasuda | 1994-12-27 |
| 5376898 | Semiconductor integrated circuit device | Hiroyuki Tanaka, Yasushi Hatta, Tatsuya Kouketsu, Kyosuke Ishikawa, Keiichi Kitamura | 1994-12-27 |
| 5367492 | Semiconductor memory device providing reduced test time | Mitsuo Kawamoto | 1994-11-22 |
| 5349653 | Apparatus for converting parallel bits of an electrical data signal into serial bits of an optical data signal utilizing an optical time delay | Hiroshi Kurokawa, Yasuhiro Inagami | 1994-09-20 |
| 5288567 | Stencil mask and charged particle beam exposure method and apparatus using the stencil mask | Kiichi Sakamoto, Yoshihisa Oae, Hiroshi Yasuda | 1994-02-22 |
| 5287000 | Resin-encapsulated semiconductor memory device useful for single in-line packages | Kazuyuki Miyazawa, Hidetoshi Iwai, Masaya Muranaka, Yoshitaka Kinoshita, Satoru Koshiba | 1994-02-15 |
| 5278419 | Electron beam exposure process for writing a pattern on an object by an electron beam with a compensation of the proximity effect | Hiroshi Yasuda | 1994-01-11 |
| 5262341 | Blanking aperture array and charged particle beam exposure method | Shunsuke Fueki, Hiroshi Yasuda, Kiichi Sakamoto | 1993-11-16 |
| 5260579 | Charged particle beam exposure system and charged particle beam exposure method | Hiroshi Yasuda, Kiichi Sakamoto, Akio Yamada, Yoshihisa Oae, Junichi Kai +2 more | 1993-11-09 |
| 5223719 | Mask for use in a charged particle beam apparatus including beam passing sections | Kiichi Sakamoto, Yoshihisa Oae, Hiroshi Yasuda, Nobuyuki Yasutake | 1993-06-29 |
| 5217917 | Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor | Hidetoshi Iwai, Satoshi Oguchi, Hisashi Nakamura, Hiroyuki Uchiyama, Toshitugu Takemuma +10 more | 1993-06-08 |
| 5215623 | Blanking aperture array and method of producing same | Tomiyasu Saito | 1993-06-01 |
| 5208782 | Semiconductor integrated circuit device having a plurality of memory blocks and a lead on chip (LOC) arrangement | Toshiyuki Sakuta, Masamichi Ishihara, Kazuyuki Miyazawa, Masanori Tazunoki, Hidetoshi Iwai +10 more | 1993-05-04 |
| 5197097 | Cell signal processing circuit and optical switch apparatus using the same | Eiichi Amada, Kimiaki Ando, Masanori Miyata | 1993-03-23 |
| 5194741 | Method for writing a pattern on an object by a focused electron beam with an improved efficiency | Kiichi Sakamoto, Yoshihisa Oae, Junko Hatta | 1993-03-16 |
| 5151772 | Semiconductor integrated circuit device | Hiromi Matsuura, Yoshihisa Koyama, Masaya Muranaka, Katsutaka Kimura, Kazuyuki Miyazawa +2 more | 1992-09-29 |
| 5144142 | Blanking aperture array, method for producing blanking aperture array, charged particle beam exposure apparatus and charged particle beam exposure method | Shunsuke Fueki, Hiroshi Yasuda, Kiichi Sakamoto | 1992-09-01 |
| 5121381 | Optical switching apparatus for digital signal cross connection and method of interswitch optical transmission of digital signals | Yoshitaka Takasaki | 1992-06-09 |
| 5104772 | Method of forming fine resist pattern in electron beam or X-ray lithography | Koichi Kobayashi | 1992-04-14 |