Issued Patents All Time
Showing 176–200 of 206 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994398 | Assistant combustion agent for use in high-frequency combustion furnace | Mitsuhiko Chishiro, Katsuya Tsuji | 1991-02-19 |
| 4986843 | Apparatus for fusion-splicing a pair of polarization maintaining optical fibers | Kenichiro Itoh, Tsutomu Onodera, Mikio Yoshinuma, Yasuyuki Kato | 1991-01-22 |
| 4978201 | Method for measuring splice loss of an optical fiber | Tsutomu Onodera, Hiroyuki Taya | 1990-12-18 |
| 4955253 | Self-locking knob for adjustable control mechanism | Yoshio Sakai | 1990-09-11 |
| 4948412 | Method of fusion splicing single-mode optical fibers using an arc discharge | Yasukuni Osato, Masao Suzuki, Okosu Watanabe, Osamu Kawata | 1990-08-14 |
| 4945776 | Method of testing spliced portion of optical fibers | Tsutomu Onodera, Hiroyuki Taya | 1990-08-07 |
| 4937572 | Map display apparatus storing data of physically adjacent map sections in physically adjacent storage locations | Tomoyasu Fujii, Norihisa Fujii, Kenzo Ito | 1990-06-26 |
| 4918616 | Tool monitoring system | Kiyokazu Yoshimura, Norio Miyawaki, Hiroyuki Yamada, Hideaki Nakamura, Koichi Tshujino +6 more | 1990-04-17 |
| 4911524 | Method and apparatus for fusion-splicing polarization maintaining optical fibers | Kenichiroh Itoh, Mikio Yoshinuma, Naomichi Suzuki, Hiroyuki Taya | 1990-03-27 |
| 4908677 | Method of examining the states of alignment of glass fibers of a pair of ribbon fiber cables | Tsutomu Onodera | 1990-03-13 |
| 4906429 | Process for producing blown film of butene-1 polymer | Takashi Yamawaki | 1990-03-06 |
| 4878933 | Apparatus for fusion splicing optical fibers | Yasukuni Osato, Okosu Watanabe, Masao Suzuki, Osamu Kawata, Koushi Ishihara | 1989-11-07 |
| 4877015 | Multipurpose smokeless roaster | — | 1989-10-31 |
| 4813397 | Charcoal-fired smokeless roaster | — | 1989-03-21 |
| 4812980 | Map display system | Hidetoshi Fujimoto, Kenzo Ito, Kazunori Hanabusa | 1989-03-14 |
| 4800747 | Method of measuring oxygen in silicon | Katsuya Tsuji, Hiroshi Uchihara | 1989-01-31 |
| 4796601 | Smokeless roaster | — | 1989-01-10 |
| 4774912 | Composite cylinder head of internal-combustion engine | Hideaki Nakano, Yoichi Nakamura, Tadahiro Ozu, Toshio Atsuta | 1988-10-04 |
| 4727641 | Thermoplastic method of reducing the diameter of a metal tube | Fumiyoshi Kanatani, Shigetomo Matsui, Toshio Atsuta, Eisuke Mori, Toshiaki Araki | 1988-03-01 |
| 4705669 | Gas analyzer for simultaneously measuring many ingredients | Katsuya Tsuji, Masahiro Tanimoto, Akihiro Hirano | 1987-11-10 |
| 4699309 | Method of bonding dissimilar materials | Toshio Atsuta | 1987-10-13 |
| 4680449 | Heater for heating heat shrinkable tube | Yasukuni Osato, Okosu Watanabe | 1987-07-14 |
| 4605855 | Gas analyzer with compact cell structure | — | 1986-08-12 |
| 4588025 | Aluminum heat exchanger provided with fins having hydrophilic coating | Takaichi Imai, Kunio Sakaue, Eizo Isoyama, Masaaki Mizoguchi, Katsumi Tanaka | 1986-05-13 |
| 4582046 | Multiple-purpose roaster | — | 1986-04-15 |