Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704010 | Grease and method for manufacturing grease | Hiromu Kumagai | 2020-07-07 |
| 10240103 | Grease composition for bearing | Kouji Takane, Yukitoshi Fujinami, Hiroki Sekiguchi, Yusuke Nakanishi | 2019-03-26 |
| 10150929 | Urea grease | Kouji Takane | 2018-12-11 |
| 10144899 | Viscosity index improver, lubricant composition, and method for producing lubricant composition | — | 2018-12-04 |
| 9994787 | Method for manufacturing grease | — | 2018-06-12 |
| 6768845 | Optical cable for holding optical fiber ribbons having a plurality of one groove spacers | Hiroki Ishikawa, Hideyuki Iwata | 2004-07-27 |
| 6625365 | Overcoated fiber for use in optical fiber cable | Masayoshi Yamano | 2003-09-23 |
| 6554938 | Over-coated optical fiber and manufacturing method thereof | Masayoshi Yamano | 2003-04-29 |
| 6545222 | Cable, and method for removing sheath at intermediate part of cable | Tomoyuki Yokokawa, Masahiro Eguchi, Kiyotaka Nishioka, Kazuo Hogari, Hideyuki Iwata | 2003-04-08 |
| 6434306 | Optical cable and manufacturing method thereof | Hiroki Ishikawa, Masakazu Watanabe, Seigo Ujiie, Yuji Sera, Kimio Ando | 2002-08-13 |
| 6411761 | Optical fiber cable | Tomoyuki Yokokawa, Hideyuki Iwata | 2002-06-25 |
| 6243519 | Optical fiber cable and method of making the same | Hiroki Ishikawa, Teruo Araki, Tadaaki Haruki | 2001-06-05 |
| 6229944 | Optical fiber cable | Tomoyuki Yokokawa, Hideyuki Iwata | 2001-05-08 |
| 6212321 | Optical cable | Hiroki Ishikawa, Gen Morikawa, Hideyuki Iwata | 2001-04-03 |
| 6208785 | Optical fiber cable | Hiroki Ishikawa | 2001-03-27 |
| 6141472 | Optical cable and optical cable chamber element | Hiroki Ishikawa, Shigeru Tanaka, Hideyuki Iwata, Toku Ishii, Ryouzo Nishikawa | 2000-10-31 |
| 6122427 | Spacer type optical fiber cable | Tomoyuki Yokokawa, Kazuo Hogari, Shin-ichi Furukawa | 2000-09-19 |
| 6122426 | Optical cable and optical cable chamber element | Hiroki Ishikawa, Hideyuki Iwata, Kazunori Watanabe, Ryouzo Nishikawa, Toku Ishii | 2000-09-19 |
| 5852701 | Dispersion-shifted fiber | Takatoshi Kato, Masayuki Nishimura | 1998-12-22 |
| 5721800 | Dispersion-shifted fiber | Takatoshi Kato, Masayuki Nishimura | 1998-02-24 |
| 5231142 | Rubber-modified styrene-based resin composition | Yutaka Tsubokura, Shinichi Nakamura, Eiichi Terada | 1993-07-27 |
| 5175213 | Styrene-based resin composition | Yutaka Tsubokura, Kazuo Sato | 1992-12-29 |