| 1/26 | 1/28 | RENEWABLE ENERGY 2022 | Tokyo Big Sight |
| 1/28 | JAPAN NANO 2022 | Tokyo Big Sight |
| 2/10 | 2/11 | PHOTONICS2022 | Online |
| 4/19 | 4/22 | 11th Laser Display and Lighting Conference | Online |
| 4/20 | 4/22 | OPTICS & PHOTONICS International Exhibition 2022 | Pacifico Yokohama |
| 4/24 | 4/29 | 16th International Conference on Laser Ablation (COLA2021/2022) | Kunibiki Messe, Matsue, Shimane, Japan |
| 4/26 | 4/28 | Photomask Japan 2022
The 28th Symposium on Photomask and NGL Mask Technology | Online |
| 5/11 | 5/14 | 2022 International Conference on Electronics Packaging (ICEP 2022) | Sapporo Community Plaza |
| 5/16 | 5/19 | Magnetics and Optics Research International Symposium 2022 (MORIS 2022) | Shimane Prefectural Convention Center |
| 5/26 | 5/28 | 12th International Symposium on Organic Molecular Electronics (ISOME2022) | Tokyo Institute of Technology |
| 5/31 | 6/3 | The 9th International Conference on Hard X-ray Photoelectron Spectroscopy | Arcrea Himeji
(Himeji Convention Center) |
| 6/6 | 15th International Conference on New Diamond and Nano Carbons 2022 (NDNC2022) | KANAZAWA BUNKA HALL |
| 6/27 | 6/30 | The 39th International Conference of Photopolymer Science and Technology | online |
| 7/3 | 7/7 | 27th Optoelectronics and Communications Conference /International Conference on Photonics in Switching and Computing 2022 | Toyama International Conference Center |
| 7/5 | 7/8 | 2022 The 29th International Workshop on Active-Matrix Flatpanel Displays and Devices-TFT Technologies and FPD Materials- (AM-FPD’22) | Ryukoku University Avanti Kyoto Hall |
| 7/27 | 7/29 | International Conference on Neuromorphic Systems (ICONS 2022) | Knoxville, Tennessee, USA / Virtual |
| 7/29 | 7/31 | The 13th Asia-Pacific Conference on Near-Field Optics (APNFO13) | Sapporo Campus, Hokkaido University, Hokkaido Japan |
| 7/30 | 8/1 | The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials, 2022
(APAC-Silicide 2022) | online |
| 7/31 | 8/5 | The 15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2022), International Symposium on Imaging, Sensing, and Optical Memory 2022 (ISOM’22) and the 13th International Conference on Optics-photonics Design and Fabrication (ODF’22) | Sapporo Convention Center |
| 8/3 | 8/5 | 13th International Conference on Optics-photonics Design & Fabrication | Sapporo Convention Center |
| 8/3 | 8/6 | International Conference of Young Researchers on Advanced Materials | Kyushu University |
| 8/18 | 8/24 | The 29th International Conference on Low Temperature Physics (LT29) | Sapporo Convention Center, Sapporo, Japan |
| 8/25 | 8/26 | [KIT/Symetrix International Symposium] From Tradition to the Future: Moving towards post-CMOS era -CERAM: Correlated Electron Memory- | Online |
| 9/4 | 9/9 | The 18th International Conference on Liquid and Amorphous Metals | JMS Aster Plaza Hiroshima |
| 9/5 | 9/8 | The Ninth International Symposium on Control of Semiconductor Interfaces (ISCSI-IX) | Nagoya University |
| 9/11 | 9/16 | The 22nd International Vacuum Congress (IVC-22) | Sapporo Convention Center |
| 9/25 | 9/28 | The 27th Microoptics Conference | Friedrich Schiller University, Jena, Germany |
| 9/25 | 9/29 | The 20th International Symposium on Laser Aided Plasma Diagnostics | Kyoto Garden Palace |
| 9/25 | 9/29 | International Conference on Extreme Ultraviolet Lithography 2022, SPIE Photomask Technology + Extreme Ultraviolet Lithography | Monterey Conference Center |
| 9/26 | 9/29 | 2022 International Conferene on Solid State Devices and Materials (SSDM2022) | Makuhari Messe |
| 10/3 | 10/7 | 11th International Conference on Reactive Plasmas / 75th Gaseous Electronics Conference
(ICRP-11/GEC2022) | Sendai International Center |
| 10/12 | 2022 International Symposium on Photonics and Quantum Technology for Society 5.0 | IINO HALL |
| 10/16 | 10/19 | 28th International Semiconductor Laser Conference | Kunibiki Messe |
| 10/23 | 10/27 | 4th International Workshop on Gallium Oxide and Related Materials (IWGO-4) | THE SAIHOKUKAN HOTEL |
| 11/6 | 11/10 | International Conference on Materials & Processing 2022 | Okinawa Pref. Municipal Center |
| 11/8 | 11/10 | The 42nd Annual NANO Testing Symposium (NANOTS2022) | Senri Life-Science Center |
| 11/8 | 11/11 | 13th International Conference on Organic Nonlinear Optics & 2022 International Conference on Organic Photonics and Electronics (ICONO13＆ICOPE2022) | Nara Kasugano International Forum IRAKA |
| 11/13 | 11/18 | 33rd International Photovoltaic Science and Engineering Conference | Nagoya Congress Center |
| 11/16 | 11/18 | The Third International Symposium on Frontiers in THz Technology | フェニックス・プラザ |
| 11/24 | 11/25 | 43rd International Symposium on Dry Process (DPS2022) | Osaka International Convention Center |
| 11/27 | 11/30 | 33rd 2022 International Symposium on Micro-NanoMechatronics and Human Science (From Micro & Nano Scale Systems to Robotics & Mechatronics Systems) | Nagoya University |
| 11/28 | 11/30 | IMFEDK 2022 | Avanti Kyoto Hall |
| 11/29 | 12/1 | The 35th International Symposium on Superconductivity | Online |
| 12/12 | 12/13 | International Symposium on Semiconductor Manufacturing 2022 (ISSM 2022) | KFC Hall |
| 12/13 | 12/20 | Grand Renewable Energy 2022 International Conference | Online |
| 12/14 | 12/16 | The 29th International Display Workshops (IDW ’22) | 福岡国際会議場 |
| 12/14 | 12/16 | SEMICON Japan | Tokyo Big Sight |
