| WG | No. | Expert | Topic | Current status |
| 1 | ISO/FDIS 13984 | Toshiichi Takematsu (Iwatani International Cooperation) |
Liquid hydrogen – land vehicle fueling system interface | Registered with ISO |
| CD 13985 | Liquid hydrogen – land vehicle fuel tanks | Third CD under study | ||
| 2 | CD 13986 | Toshiichi Takematsu | Tank containers for multimodel transportation of liquid hydrogen | First CD under study |
| 3 | ISO/FDIS 14687 | Takuji Hanada (Air Liquid Japan, Ltd.) |
Hydrogen fuel – products specification | Registered with ISO |
| 4 | WDTR 15594 | Hiroyuki Takase (San-Ai Oil Co., Ltd.) |
Airport hydrogen fueling facility | Draft preparation suspended, no progress |
| 5 | WI 15866 | Akimasu Daimaru (Honda R&D Co., Ltd.) |
Gaseous hydrogen and hydrogen blends – service stations | Examination suspended, no progress |
| WI 17268 | Gaseous hydrogen and hydrogen blends – land vehicle fueling connectors | Examination suspended, no progress | ||
| 6 | WI 15869 | Shinichi Sugita (Kokan Drum Co., Ltd.) |
Gaseous hydrogen and hydrogen blends – vehicle fuel tanks | CNG standards being revised for use with hydrogen |
| 7 | AWI 15916 | Toshiichi Takematsu | Basic requirements of hydrogen systems | WD under preparation |
| NP | New proposal | CD | Committee Drat |
| AWI | Approved New Work Item | DIS | Draft International Standard |
| WDTR | Working Draft Technical Report | FDIS | Final Draft International Standard |
| WD | Working Draft |