Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157540 | Electrochromic display device with improved absorption spectrum and method of producing it | Masayuki Kidai | 1992-10-20 |
| 5153847 | Arithmetic processor using signed digit representation of internal operands | Naofumi Takagi, Tsuguyasu Hatsuda, Toru Kakiage, Tamotsu Nishiyama | 1992-10-06 |
| 5146419 | Floating point addition-subtraction apparatus | Akira Miyoshi | 1992-09-08 |
| 5134021 | Anti-fogging film | Hiroshi Hosono | 1992-07-28 |
| 5122981 | Floating point processor with high speed rounding circuit | — | 1992-06-16 |
| 5075133 | Process for preparation of anti-fogging coating | Hiroshi Hosono, Michiaki Nishii | 1991-12-24 |
| 5053998 | Semiconductor memory device with dual drivers to sense amp array | Yasushi Kannan, Michiharu Shikata, Tatsumi Sumi | 1991-10-01 |
| 4963417 | Pressure-sensitive tablet | Shoichi Kurasaki, Koichiro Oka | 1990-10-16 |
| 4954215 | Method for manufacture stress detector | Hiroshi Satou, Yoshihiko Utsui, Kiyotugu Tuneyoshi, Kousuke Haraga, Keitarou Tsukui | 1990-09-04 |
| 4940602 | Process of producing an anti-reflection optical article | Tetsuya Seki | 1990-07-10 |
| 4935263 | Method for manufacturing a strain detector | Hiroshi Satoh, Yoshihiko Utsui, Kuraki Kitazaki, Kiyoshi Hayashi | 1990-06-19 |
| 4929693 | Photochromic compound | Ryojiro Akashi | 1990-05-29 |
| 4904525 | Anti-reflection optical article and process of producing the same | Tetsuya Seki | 1990-02-27 |
| 4889567 | High strength and high toughness steel bar, rod and wire and the process of producing the same | Tadayoshi Fujiwara, Yukio Yamaoka, Kazuichi Hamada, Yoshiro Yamada, Yasunobu Kawaguchi +2 more | 1989-12-26 |
| 4866655 | Arithmetic processor and divider using redundant signed digit | Tamotsu Nishiyama, Shigeo Kuninobu, Naofumi Takagi | 1989-09-12 |
| 4866657 | Adder circuitry utilizing redundant signed digit operands | Tamotsu Nishiyama, Shigeo Kuninobu, Naofumi Takagi | 1989-09-12 |
| 4864528 | Arithmetic processor and multiplier using redundant signed digit arithmetic | Tamotsu Nishiyama, Shigeo Kuninobu, Naofumi Takagi | 1989-09-05 |
| 4835023 | Ornamental articles having coating membrane | Hiroshi Hosono, Itaru Nakamura | 1989-05-30 |
| 4831805 | Precast concrete board fixing metal fitting | Mitsuo Noborisaka, Masashi Noborisaka, Toshiaki Fukagai, Shinji Tanaka, Yuuji Satou +2 more | 1989-05-23 |
| 4784474 | Spiro-oxazine compounds and preparation thereof and photochromic shaped article | Shinichi Yamamoto | 1988-11-15 |
| 4765729 | Anti-reflection optical article | — | 1988-08-23 |
| 4590117 | Transparent material having antireflective coating | Jiro Mibae | 1986-05-20 |
| 4478909 | Anti-fogging coating film | Jiro Mibae | 1984-10-23 |
| 4425403 | Coated plastic article | Jiro Mibae | 1984-01-10 |
| 4374158 | Process for producing transparent shaped article having enhanced anti-reflective effect | Jiro Mibae | 1983-02-15 |