| 2/3 | JAPAN NANO 2023 | Tokyo Big Sight |
| 2/22 | 2/24 | PHOTOPTICS 2023 | the Lisbon Marriott Hotel |
| 4/18 | 4/21 | 12th Laser Display and Lighting Conference | Pacifico Yokohama |
| 5/14 | 5/17 | The 8th ULSIC vs. TFT conference | Sapporo |
| 5/15 | 5/19 | IEEE International Magnetics Conference 2023 | SENDAI INTERNATIONAL CENTER |
| 6/11 | 6/16 | 2023 Symposium on VLSI Technology and Circuits | リーガロイヤルホテル京都 |
| 6/27 | 6/30 | The 40th International Conference of Photopolymer Science and Technology Materials & Processes for Advanced Lithography, Nanotechnology and Phototechnology | Makuhari Messe |
| 7/4 | 7/7 | 2023 The 30th International Workshop on Active‐Matrix Flatpanel Displays and Devices‐TFT Technologies and FPD Materials‐ (AM‐FPD'23) | Ryukoku Unv. |
| 7/23 | 7/28 | The 31st International Conference on Photochemistry (ICP2023) | Sapporo Park Hotel |
| 7/26 | 8/3 | International Cosmic Ray Conference (ICRC2023) | Osaka International Convention Center, Osaka, Japan |
| 8/20 | 8/23 | The 52nd International Congress and Exposition on Noise Control Engineering
(INTER‐NOISE 2023) | Makuhari Messe |
| 9/3 | 9/8 | 21st International Conference on Radiation Effects in Insulators (REI‐21) | Kyushu University |
| 9/24 | 9/27 | 28th Microoptics Conference (MOC2023) | Seagaia Convention Center (Miyazaki) |
| 9/25 | 9/29 | The 14th International Vacuum Electron Sources Conference (IVESC 2023) | University of Tsukuba |
| 9/25 | 9/30 | ITC Fukuoka 2023
(9th International Tribology Conference, Fukuoka 2023) | Fukuoka International Congress Center |
| 11/12 | 11/17 | 14th International Conference on Nitride Semiconductors (ICNS‐14) | Hilton Fukuoka Sea Hawk |
