1916 | Launched Japan’s first leather U packing (25 inches dia). |
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55 | O-rings of “KS” standard were released. |
61 | O-rings of JIS (Japan industrial Standard) standard were released. |
62 | Products made of S-RETHANE rubber were released. |
63 | KY-Packings were released. |
66 | SKY-Packings and SDR-Wipers were released. |
67 | ST-Seals and Wear rings were released. |
68 | Mini Y-Packings (MYN-type) were released. |
69 | Seals for power steering were released. |
70 | S-KIDⓇ rubber (non lubricant material) was developed.GLY-Packings and Mini-Y Packings (MYA-type) maintenance free series were released. |
79 | LUBE-RUNⓇ low abration material for pneumatic seals was developed.PGY-Pakings & PNY-Paking of LUBE-RUN were released. |
81 | Compact type wiper, PSD-Packings (for pistons), and NPU-Packings (rod packing+wiper in one piece structure) were released as LUBE-RUNⓇ series. |
83 | PDU-Packings were released as rod packing + wiper in one piece structure. |
84 | Double acting HSD-Packings were released for hydraulic cylinder pistons. |
86 | RGY-Packings & RNY-Packings were released as high performance packings for hydraulic cylinders. |
88 | ⓉSGY-Packings & ⓉSNY-Packings were released for wider temperature range application. |
91 | Double acting RGU-Packings & PWL-Bearing (back-up ring + resin wear ring) were released. |
95 | SMJ-Rod seals (high sealing performance) were released. |
96 | PPD-Packings (improved PSD for eccentricity) were released for non-machine cut pneumatic cylinders. |
99 | MYP-Packings were released for extra durable pneumatic cylinders. |
2003 | Soft wipers (configuration of fiber assembly),S-FLONⓇ Tape Wear ring, SWO-Wear rings, SMD-Wipers were released. |
05 | Ferrule gasket for sanitary piping were released. |
11 | High-performance HNBR material products for RGY-Packings, SKY-Packings, and SDR-Wipers were released. STC-Seals, as a high-performance seal for rotary sliding were released. |
20 | GLY-Z-Packings, as a REACH regulation compliant product were released. |

